The
Wireless-Set-No19 Group |
The WS No 19 Established
& Designed in England 1940
Royal Signals Established 28 June 1920 |
For the open exchange of information and opinions about collecting, restoring, maintaining and operating the Wireless Set No. 19 and all other radios, as well as line and other forms of comms equipment, used by the Allied forces before, during and after World War II. For organising operating events with the broadest possible participation. ALL collectors of vintage military communications equipment are most welcome. |
The following information on FX and LA Ferrites
has been made available from Alan Gall
Click here
for contact details
LA1662
RM6-s A16 (3c5) AL = 100
Accessories see LA1661
LA4547
RM10A13 (3h1) AL = 160
Adjuster LA1432 Red
Accessories see LA4543
LA4546
RM10 A13 (3h1) AL = 250
Adjuster LA1432 Red
Accessories see LA4543
LA4545
RM10 A13 (3h1) AL = 400
Adjuster LA1428 Natural
Accessories see LA4543
LA4544
RM10 A13 (3h1) AL = 630
Adjuster LA1428 Natural
Accessories see LA4543
LA4543
RM10 A13 (3h1) AL = 1000
Adjuster LA1433 Blue
Bobbins DT2534 (5 pin s/s)
DT2535 (8 pin s/s)
DT2651 (5 pin s/s)
DT2642 (8 pin s/s)
DT2644 (12 pin s/s)
DT2539 (8 pin d/s)
DT2643 (8 pin d/s)
DT2644 (12 pin d/s)
Clips DT2406 no spike
DT2506 with spike
LA4529
RM10 A10 (3d3) AL = 63
Adjuster LA1432 Red
Accessories see LA4543
LA4528
RM10 A10 (3d3) AL = 100
Adjuster LA1432 Red
Accessories see LA4543
LA4377
RM8 A14 (3h3) AL = 160
Adjuster LA1431 Red
Accessories see LA4375
LA4376
RM8 A14 (3h3) AL = 250
Adjuster LA1424 Natural
Accessories see LA4375
LA4375
RM8 A14 (3h3) AL = 400
Adjuster LA1424 Natural
Formers DT2470 (4 pin s/s)
DT2391 (5 pin s/s)
DT2523 (8 pin d/s)
DT2392 (8 pin s/s)
Clips DT2387 no spike
DT 2487 with spike
LA4348
RM8 A13 (3h1) AL = 100
Adjuster LA1431 Red
Accessories see LA4375
LA4347
RM8 A13 (3h1) AL = 160
Adjuster LA1431 Red
Accessories see LA4375
LA4346
RM8 A13 (3h1) AL = 250
Adjuster LA1424 Natural
Accessories see LA4375
LA4345
RM8 A13 (3h1) AL = 400
Adjuster LA1424 Natural
Accessories see LA4375
LA4344
RM8 A13 (3h1) AL = 630
Adjuster LA1430 Blue
Accessories see LA4375
LA4329
RM8 A10 (3d3) AL = 63
Adjuster LA1431
Accessories see LA4375
LA4328
RM8 A10 (3d3) AL = 100
Adjuster LA1431 Red
Accessories see LA4375
LA4278
RM7 A14 (3h3) AL = 100
Adjuster LA1427 Red
Accessories see LA4275
LA4277
RM7 A14 (3h3) AL = 160
Adjuster LA1399 Natural
Accessories see LA4275
LA4276
RM7 A14 (3h3) AL = 250
Adjuster LA1399 Natural
Accessories see LA4275
LM4275
RM7 A14 (3h3) AL = 400
Adjuster LA1400 Blue
Former DT2468 (4 pin s/s)
DT2391 (5 pin s/s)
DT2392 (8 pin s/s)
DT2523 (8 pin d/s)
Clips DT2387 no spike
DT2487 with spike
LA4248
RM7 A13 (3h1) AL = 100
Adjuster LA1427 Natural
Accessories see LA4275
LA4230
RM7 A10 (3d3) AL = 40
Adjuster LA1427 Red
Accessories see LA4275
LA4229
RM7 A10 (3d3) AL = 63
Adjuster LA1427 Red
Accessories see LA4275
LA4228
RM7 A10 (3d3) AL = 100
Adjuster LA1427 Red
Accessories see LA4275
LA4247
RM7 A13 (3h1) AL = 160
Adjuster LA1399 Natural
Accessories see LA4275
LA4246
RM7 A13 (3h1) AL = 250
Adjuster LA1399 Natural
Accessories see LA4275
LA4245
RM7 A13 (3h1) AL = 400
Adjuster LA1400 Blue
Accessories see LA4275
LA4178
RM6-r A14 (3h3) AL = 100
Adjuster LA1500 Red
Accessories see LA4175
LA4177
RM6-r A14 (3h3) AL = 160
Adjuster LA1429 Natural
Accessories see LA4175
LA4176
RM6-r A14 (3h3) AL = 250
Adjuster LA1429
Accessories see LA4175
LA4175
RM6-r A14 (3h3) AL = 400
Adjuster LA1501 Blue
Formers DT2467 (4 pin) s/s
DT2605 (4 pin) s/s
DT2517 (6 pin) s/s
DT2477 (6 pin) d/s
Clips DT2398 no spike
DT2498 with spike
LA4163
RM6-r B10 (4c6) AL = 34
Adjuster LA1555
Accessories see LA4175
LA4162
Rm6-r B10 (4c6) AL = 40
Adjuster LA1555
Accessories see LA4175
LA4161
RM6-r B10 (4c6) AL = 47
Adjuster LA1555
Accessories see LA4175
LA4148
RM6-r A13 (3h1) LA = 100
Adjuster LA1500 Red
Accessories see LA4175
LA4147
RM6-r A13 (3h1) AL = 160
Adjuster LA1429 Natural
Accessories see LA4175
LA4146
RM6-r A13 (3h1) AL = 250
Adjuster LA1429 Natural
Accessories see LA4175
LA4145
RM6-r A13 (3h1) AL = 400
Adjuster LA1501
Accessories see LA4175
LA4130
RM6-r A10 (3d3) AL = 40
Adjuster LA1500 Red
Accessories see LA4175
LA4129
RM6-r A10 (3d3) AL = 63
Adjuster LA1500 Red
Accessories see LA4175
LA4128
RM6-r A10 (3d3) AL = 100
Adjuster LA1500 Red
Accessories see LA4175
LA4078
RM5 A14 (3h3) AL = 100
Adjuster LA1494 Yellow
Accessories see LA4076
LA4077
RM5 A14 (3h3) AL = 160
Adjuster LA1495 Brown
Accessories see LA4076
LA4076
RM5 A14 (3h3) AL = 250
Adjuster LA1519 grey
Formers DT2612 (4 pin) s/s
DT2602 (6 pin) s/s
Clip DT2630
LA4048
RM5 A13 (3h1) AL = 100
Adjuster LA1494 Yellow
Accessories see LA4076
LA4047
RM5 A13 (3h1) AL = 160
Adjuster LA1495
Accessories see LA4076
LA4046
RM5 A13 (3h1) AL = 250
Adjuster LA1519
Accessories see LA4076
LA4030
RM5 A10 (3d3) AL = 40
Adjuster LA1492
Accessories see LA4076
LA4029
RM5 A10 (3d3) AL = 63
Adjuster LA1493
Accessories see LA4076
LA4028
RM5 A10 (3d3) AL = 100
Adjuster LA1491
Yellow colour
Accessories see LA4076
LA1676
RM14 A16 (3c8) AL = 1000
Accessories see LA1671
LA1675
RM14 A16 (3c8) AL = 630
Accessories see LA1671
LA1674
RM14 A16 (3c8) AL = 400
Accessories see LA1671
LA1672
RM14 A16 (3c8) AL = 250
Accessories see LA1671
LA1671
RM14 A16 (3c8) AL = 160
Formers DT2631 (12 pin)
DT2632 (0 pin)
Clips DT2633
LA1663
RM6-s A16 (3c8) AL 160
Accessories see LA1661
LA1661
RM6-s A16 (3c8) AL = 63
Formers DT2491 (4 pin)
DT2492 (6 pin)
Clips DT2398 or DT2498
LA1645
RM10 A16 (3c8) AL = 630
Accessories see LA1641
LA1644
RM10 A16 (3c8) AL = 400
Accessories see LA1641
LA1643
RM10 A16 (3c8) AL = 315
Accessories see LA1641
LA1642
RM10 A16 (3c8) AL = 250
Accessories see LA1641
LA1641
RM10 A16 (3c8)AL = 160
Formers DT2614 no pins
DT2534, DT2641 (5 pins)
DT2535, DT2642 (8 pins)
Clips DT2406 or DT2506
LA1632
RM8 A16 (3c8) AL = 250
Accessories see LA1630
LA1631
RM8 A16 (3c8) AL = 160
Accessories see LA1630
LA1630
RM8 A16 (3c8) AL = 100
Former DT2470 (4 pin)
DT2480 (8 pin)
Clips DT2396 or DT2456
LA1587
RM6-s Obsolete
LA1586
RM6-s Obsolete
LA1585
RM6-s Obsolete
LA1584
RM6-s Obsolete
LA1578
RM5 TFR A8 (3e4) AL = 3731 min
Accessories see LA1577
LA1577
RM5 TFR (3e1) AL = 2587 min
Accessories Former DT2612 (4 pin)
DT2602 (6 pin)
clips DT2601
LA1563
RM6-s B10 (4c6) AL = 51
Adjuster LA1555
Accessories see LA1530
LA1562
RM6-S B10 (4C6) AL = 36
Adjuster LA1555
Accessories see LA1530
LA1555
Adjuster RM6-s & RM6-r
used on LA1562, 1563, 4161,
4162, 4163.
LA1530
RM6-s A13 (3h1) AL = 630
Adjuster LA1501
Accessories Former DT2491 (4 pin s/s)
DT2492 (6 pin s/s)
Clips DT2398 (no spike)
DT2498 (with spike)
LA1526
Adjuster 14mm pot core
Used on LA1375, 1376, 1377.
LA1525
Adjuster 18mm pot core
Used on LA1372, 1373, 1374.
LA1524
RM8 TFR A8 (3e4) AL = 6000 min
Accessories see FX3435
LA1523
RM6 TFR A8 (3e4) AL = 5400 min
Accessories see FX3432
LA1522
RM6-s TFR A8 (3e4) AL = 4125 min
Accessories see FX3432
LA1519
Adjuster RM5
Used on LA4076, 4046.
Grey colour
LA1506
Adjuster pot core 14mm
Used on LA1417, 1157, 1158.
LA1505
Adjuster pot core 14mm
Used on LA1228, 1229, 1230.
LA1503
Adjuster 18mm & 21mm pot cores
Used on LA1415, 1164, 1165,
1166.
LA1502
Adjuster 18mm & 21mm pot cores
Used on LA1225, 1226, 1227,
1222, 1223, 1224.
LA1501
Adjuster RM6-s & RM6-r
Used on LA1530, 1487, 1436,
4145, 4175.
Blue colour
LA1500
Adjuster RM6-s & RM6-r
Used on LA1442, 4178, 4148,1497,
1498.
Red colour
LA1498
RM6-s A10 (3d3) AL = 63
Adjuster LA1500
Accessories see LA1530
LA1497
RM6-s A10 (3d3) AL = 100
Adjuster LA1500 Red colour
Accessories see LA1500
LA1495
Adjuster
RM5 used on LA4077, 4047.
Brown colour
LA1494
Adjuster
RM5 used on LA4078, 4048, 4028,
4029, 4030.
Yellow colour
LA1493
Adjuster
RM5 used on LA4029
Red colour
LA1492
Adjuster
RM5 used on LA4030
Natural colour
LA1487
RM6-s A13 (3h1) AL = 400
Adjuster LA1501
Accessories see LA1530
LA1485
RM6-s A10 (3d3) AL 40
Adjuster LA1500
Accessories LA1530
LA1442
RM6-s A13 (3h1) AL = 100
Adjuster LA1500
Accessories see LA1530
LA1441
RM6-s A13 (3h1) AL = 160
Adjuster LA1429
Accessories see LA1530
LA1437
RM6-s A13 (3h1) AL = 250
Adjuster LA1429
Accessories see LA1530
LA1436
RM6-s A13 (3h1) AL = 315
Adjuster LA1501
Accessories see LA1530
LA1433
Adjuster RM10
Used on LA4543
Blue colour
LA1432
Adjuster RM10
Pot core 25mm 30mm and 35mm
Used on LA1171, 1172, 1174,
1175, 1414, 1167,
1168, 1169, 4546
& 4547.
LA1431
Adjuster RM8
Used on LA4377, 4347, 4348,
4328, 4329.
Red colour
LA1430
Adjuster RM8
Used on LA4344
Blue colour
LA1429
Adjuster RM6-s and RM6-r
Used on LA1437, 1441, 4146,
4147, 4176, 4177.
Natural colour
LA1428
Adjuster RM10
For pot cores 25mm, 30mm, 35mm.
Used on LA1214, 1215, 1216,
1217, 1413,
1170, 1213, 1412,
1173, 4544, 4545.
LA1427
Adjuster RM7
Used on LA4278, 4248, 4228,
4229, 4230.
Red colour
LA1424
Adjuster RM8
Used on LA4375, 4376, 4345,
4346.
Natural colour
LA1423
Pot core 10mm A13 (3h1) mu = 40 with adjuster
Accessories see LA1421
LA1422
Pot core 10mm B10 (4c6) mu = 63 with adjuster
Accessories see LA1421
LA1421
Pot core 10mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1383
Accessories Former DT2169
Clips DT2342
Ring DT2341
Board DT2344
LA1420
Pot core 12mm A13 (3h1) mu = 40 with adjuster
Accessories see LA1418
LA1419
Pot core 12mm A13 (3h1) mu = 65 with adjuster
Accessories see LA1418
LA1418
Pot core 12mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1383
Accessories Bobbin DT2170
Clips DT2347
Ring DT2346
Board DT2349
LA1417
Pot core 14mm A13 (3h1) mu = 63 with adjuster
Adjuster LA1506
Accessories see LA1228
LA1416
Pot core 18mm A13 (3h1) mu = 63 with adjuster
Adjuster LA1503
Accessories see LA1225
LA1415
Pot core 21mm A13 (3h1) mu = 63 with adjuster
Adjuster LA1503
Accessories see LA1222
LA1414
Pot core 25mm A13 (3h1) mu = 63 with adjuster
Adjuster LA1432
Accessories see LA1218
LA1413
Pot core 30mm A13 (3h1) mu = 63 with adjuster
Adjuster LA1428
Accessories see LA1214
LA1412
Pot core 35mm A13 (3h1) mu = 63 with adjuster
Adjuster LA1428
Accessories ?
LA1411
Pot core 45mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1362
Accessories see LA1409
LA1410
Pot core 45mm A13 (3h1) mu = 160 with adjuster
Adjuster LA1362
Accessories see LA1409
LA1409
Pot core 45mm A13 (3h1) mu = 250 with adjuster
Adjuster LA1362
Accessories Former DT2206
Clips DT2502
Ring DT2501
Board DT2504
LA1400
Adjuster RM7 used on LA4275,
4245.
Blue colour
LA1399
Adjuster RM7 used on LA4267, 4277, 4246,
4247.
Natural colour
LA1384
Adjuster used with 10mm B10 pot cores
LA1383
Adjuster used with 10 & 12mm pot cores
LA1380
Pot core 10mm B10 (4c6) AL = 30
Adjuster LA1384
Accessories see LA1421
LA1379
Pot core 10mm B10 (4c6) AL = 32
Adjuster LA1384
Accessories see LA1421
LA1378
Pot core 10mm B10 (4c6) AL = 33.8
Adjuster LA1384
Accessories see LA1421
LA1377
Pot core 14mm B10 (4c6) AL = 37
Adjuster LA1526
Accessories see LA1228
LA1376
Pot core 14mm B10 (4c6) AL = 45.7
Adjuster LA1526
Accessories see LA1228
LA1375
Pot core 14mm B10 (4c6) AL = 55
Adjuster LA1526
Accessories see LA1228
LA1374
Pot core 18mm B10 (4c6) AL = 45.4
Adjuster LA1525
Accessories See LA1225
LA1373
Pot core 18mm B10 (4c6) AL = 59.4
Adjuster LA1525
LA1372
Pot core 18mm B10 (4c6) AL = 74.2
Adjuster LA1525
LA1246
H core H10 mu = 3820 Min
LA1230
Pot core 14mm A13 (3h1) mu = 100 with adjuster
Accessories see LA1228
LA1229
Pot core 14mm A13 (3h1) mu = 160 with adjuster
Adjuster LA1505
Accessories see LA1228
LA
1228
Pot core 14mm A13 (3h1) mu = 250 with adjuster
Adjuster LA1505
Accessories Former DT2202
DT2279
Clips DT2352
Ring DT2351
Board DT2354
LA1227
Pot core 18mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1502
Accessories see LA1225
LA1226
Pot core 18mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1502
Accessories see LA1225
LA1225
Pot core 18mm A13 (3h1) mu = 25 with adjuster
Adjuster LA1502
Accessories Bobbin DT2178 one section
DT2281 two sections
Clips DT2357
Ring DT2356
Board DT2359
LA1224
Pot core 21mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1502
Accessories see LA1222
LA1223
Pot core 21mm A13 (3h1) mu = 140 with adjuster
Adjuster LA1502
Accessories see LA1222
LA1222
Pot core 21mm A13 (3h1) mu = 250 with adjuster
Adjuster LA1502
Accessories Former DT2204 one section
Former DT2282 two sections
Clips DT2362
Ring DT2361
Board DT2364
LA1221
Pot core 25mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1428
Accessories see LA1218
LA1220
Pot core 25mm A13 (3h1) mu = 160 with adjuster
Adjuster LA1428
Accessories see LA1218
LA1219
Pot core 25mm A13 (3h1) mu = 250 with adjuster
Adjuster LA1428
Accessories see LA1218
LA1218
Pot core 25mm A13 (3h1) mu = 400 with adjuster
Adjuster LA1428
Accessories see former DT2179
DT2283
Clips DT2367
Ring DT2366
Board DT2369
LA1217
Pot core 30mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1428
Accessories see LA1214
LA1216
Pot core 30mm A13 (3h1) mu =160 with adjuster
Adjuster LA1428
Accessories see LA1214
LA1215
Pot core 30mm A13 (3h1) mu = 250 with adjuster
Adjuster LA1428
Accessories see LA1214
LA1214
Pot core 30mm A13 (3h1) mu = 400 with adjuster
Adjuster LA1428
Accessories Former DT2205 one section
DT2284 two section
Clips DT2372
Ring DT2371
Board DT2374
LA1213
Pot core 35mm A13 (3h1) mu = 100 with adjuster
Adjuster LA1428
Accessories see LA1210
LA1212
Pot core 35mm A13 (3h1) mu = 160 with adjuster
Adjuster LA1362
Accessories see LA1210
LA1211
Pot core 35mm A13 (3h1) mu = 250 with adjuster
Adjuster LA1362
Accessories see LA1210
LA1210
Pot core 35mm A13 (3h1) mu = 400 with adjuster
Adjuster LA1362
Accessories Former DT2180 one section
DT2285 two section
Clips DT2377
Ring DT2376
Board DT2379
LA1175
Pot core 35mm A10 (3d3) mu = 25 with adjuster
no further information
LA1174
Pot core 35mm A10 (3d3) mu = 40 with adjuster
Adjuster LA1432
Accessories see LA1210
LA1173
Pot core 35mm A10 (3d3) mu = 63 with adjuster
Adjuster LA1428
Accessories see LA1210
LA1172
Pot core 30mm A10 (3d3) mu = 25
Adjuster LA1432
Accessories see LA1214
LA1171
Pot core 30mm A10 (3d3) mu = 40 with adjuster
Adjuster LA1432
Accessories see LA1214
LA1170
Pot core 30mm A10 (3d3) mu = 63 with adjuster
Adjuster LA1428
Accessories see LA1214
LA1169
Pot core 25mm A10 (3d3) mu = 25 with adjuster
Adjuster LA1432
Accessories see LA1218
LA1168
Pot core 25mm A10 (3d3) mu = 40 with adjuster
Adjuster LA1432
Accessories see LA1218
LA1167
Pot core 25mm A10 (3d3) mu = 63 with adjuster
Adjuster LA1432
Accessories see LA1218
LA1166
Pot core 21mm A10 (3d3) mu = 25 with adjuster
Adjuster LA1503
Accessories see LA1222
Equiv to mm723/74/51
LA1165
Pot core 21mm A10 (3d3) mu = 40 with adjuster
Adjuster LA1503
Accessories see LA1222
Equiv to mm723/118/51
LA1164
Pot core 21mm A10 (3d3)mu = 63 with adjuster
Adjuster LA1503
Accessories see LA1222
Equiv to mm727/186/51
LA1163
Pot core 18mm A10 (3d3)mu = 25 with adjuster
Adjuster see LA1503
Accessories see LA1225
LA1162
Pot core 18mm A10 (3d3) mu = 40 with adjuster
Adjuster LA1503
Accessories see LA1225
LA1161
Pot core 18mm A10 (3d3) mu = 63 with adjuster
Adjuster LA1503
Accessories see LA1225
LA1158
Pot core 14mm A10 (3d3)mu = 40 with adjuster
Adjuster LA1506
Accessories see LA1228
LA1157
Pot core 14mm A10 (3d3) mu = 40 with adjuster
Adjuster LA1506
Accessories see LA1228
The following information
on FX and LA Ferrites
has been made available from Alan Gall
FX1007
E-cores, 2 cores Min, mu = 1150 min.
Small sig applications.
L41 x H44 x W9mm.
FX1052
E-cores, 2 cores Min, mu = 900 min.
Small sig applications.
L13 x H13 x W3mm.
FX1053
I-core, used with FX1052
mu = 700, E & I
FX1054
Tube, Ref 3.
FX1060
Tube, A1 material, Ref 4.
FX1065
Tube, B2 material, Ref 4.
FX1068
Tube, Ref 3.
FX1073
E-core, 2 cores Min,(2e5).
mu = 1150.
FX1076
Toroid, A4 material,
Uncoated.
FX1082
Rod, Ref 3.
FX1085
Tube, B2 material, Ref 4.
FX1095
Tube, B2 material, Ref 3 & 4.
FX1097
Tube, Ref 3.
FX1099
Rod Ref 3.
FX1105
E-core, mu = 1150 Min.
Dimensions, 30 x 25 x 12mm.
FX1107
I-core, used with FX1007
Dimensions, 41 x 28 x 9mm.
FX1108
Toroid, Ref 3.
FX1111
Tube, Ref 3.
FX1112
Tube, Ref 3.
FX1115
Beads, screening, A1 material,
Ref 4.
Out Dia 4.15mm.
In Dia 1.55mm.
Hi 5.6mm.
FX1128
Tube, Ref 3.
FX1130
Rod Ref 3.
FX1133
Rod, Ref 3.
FX1135
Tube, A1 material, Ref 4.
FX1142
Rod, Ref 3.
FX1145
Tube, A1 material, Ref 4.
FX1147
Rod, Ref 3.
FX1156
Tube, Ref 3.
FX1158
Tube A1 material, Ref 4.
FX1159
Tube, Ref 3.
FX1164
Tube, A1 material, Ref 3 & 4.
FX1178
Tube, A2 material, Ref 4.
FX1188
Tube, A1 material, Ref 4.
FX1229
Rod, Ref 3.
FX1230
Toroid, Tube, A1 material, Ref 3.
FX1238
E-cores, A13, (3h1) mu = 1150 Min.
2 cores small sig application.
FX1231
Toroid, Ref 3.
FX1239
E-cores, Min 2 cores, B2, Ref 4.
FX1242
Bead, screening, B2, Ref 4.
FX1243
Tube, A4 material.
Ref 3.
FX1247
Rod, Ref 3.
FX1265
Same size as FX1105
but in B2 material
for drawing see Mullard file.
FX1299
Toroid, Ref 3.
FX1302
Rod, Ref 3.
FX1304
Tube, Ref 3.
FX1315
E-cores,
Dimensions, 2 ends, 40 x 48 x 15mm
mu = 1150 Min.
FX1322
Toroid, Ref 3.
FX1346
Rod, Ref 3.
FX1354
Rod, Ref 3.
FX1355
Rod, Ref 3.
FX1359
Tube, Ref 3.
FX1360
Tube Ref 3.
FX1361
Tube, Ref 3.
FX1362
Rod, Ref 3.
FX1381
Rod, Ref 3.
FX1393
Tube, A1 material
Ref 4.
FX1398
Rod, Ref 3.
FX1447
Tube, A4 material
Ref 4.
FX1455
Tube, B2 material
Ref 4.
FX1459
Rod, Ref 3.
FX1474
Tube, Ref 3.
FX1478
Tube, Ref 3 & 4,
B2 material.
FX1487
Tube, Ref 3.
FX1488
Tube, Ref 3.
FX1505
Tube, Ref 3.
FX1507
Tube, Ref 3.
FX1516
Bead, screening, 2 hole, B2.
12.4 long, 5.9 Dia, holes 0.7mm
FX1582
Toroid, A4, 25.4 x 19 x 4.8mm
Uncoated, Ref 4.
FX1583
Toroid, Ref 3.
FX1585
Toroid Ref 3.
FX1586
Toroid A4 38.1 x 25.4 x 6.3mm, Uncoated
FX1587
Toroid B1 38.1 x 25.4 x 6.3mm, Uncoated
FX1588
Toroid B2 38.1 x 25.4 x 6.3mm, Uncoated
FX
1589
Toroid B3 38.1 x 25.4 x 6.3mm, Uncoated
FX1590
Toroid B4 38.1 x 25.4 x 6.3mm, Uncoated
FX1591
Toroid Ref 3.
FX1593
Toroid A4 12.7 x 8.3 x 3.2mm, Uncoated
FX1594
Toroid B1 12.7 x 8.3 x 3.2mm, Uncoated
FX1595
Toroid B2 12.7 x 8.3 x 6.3mm, Uncoated
FX1596
Toroid Ref 3.
FX1597
Toroid Ref 3.
FX1598
Toroid B5 12.7 x 6.3 x 3.2mm, Uncoated
FX1652
E cores, Dimensions for two cores
20 x 19 x 5mm, mu = 1150 Min
Small signal application.
FX1653
E cores, Dimensions for two cores
90 x 63 x 24mm, mu = 1150 Min
Small signal application.
FX1818
E cores, Dimensions for two cores
42 x 35 x 9mm, mu = 1150 Min
Small signal application.
FX1897
Tube, D4 Ref 4.
FX1819
E cores, mu = 1150
2 cores, 56 x 58 x 13mm
FX1898
Screening bead, 6 holes, B2
o.d. 6.3 x 10.5mm
hole Dia 0.6mm
FX2049
Double Aperture core, B2
13 x 8 x 6mm
FX2236
Pot core 14mm, A13 (3h1)
mu = 950,
Transformer, Former DT2202 one section.
DT2279 two sections.
Ring DT2351
Clips DT 2352
Board DT2354
FX2239
4 slot.
Pot core, 21mm, A13 (3h1) mu = 1150 Min.
Transformer.
Former DT2204 (1 section)
DT2282 (2 section)
Ring DT2361
Clips DT2357
Board DT2364
FX2238
Pot core, 18mm, A13 (3h1) mu = 1150 Min.
Transformer.
Former DT2178 (1 section)
DT2281 (2 section)
Ring DT2356
Clips DT2357
Board DT2359
FX2240
Pot core, 25mm, A13 (3h1) mu = 1200 Min.
Transformer.
Former DT2179 (1 section)
DT2283 (2 section)
Ring DT2366
Clips DT2367
Board DT2369
FX2241
Pot core, 30mm, A13 (3h1) AL = 5815 Min.
Transformer.
Former DT2205 (1 section)
DT2284 (2 section)
Ring DT2371
Clips DT2372
Board DT2374
FX2242
Pot core, 35mm, A13 (3h1) AL = 6950 Min.
Transformer.
Former DT2180 (1 section)
DT2285 (2 section)
Ring DT2376
Clips DT2377
Board DT2379
FX2243
Pot core, A13, (3h1) 45mm, AL = 8830 Min
Transformer, Former DT2206 one section.
Ring DT2501
Clips DT2502
Board DT2504
FX2246
Tube, A2, Ref 4.
FX2249
Double aperture core, B1
10. x 5.4 x 10.9mm
Full channel.
FX2431
Single aperture core, B1,
8 x 2 x 6mm
FX2501
Pot core, A13 (3h1), 10mm, AL = 1205 min.
Transformer, Former DT2109
Ring DT2341
Clip DT2342
Board DT2344
FX2502
Pot core, A13 (3h1), 12mm, mu = 900 min.
Transformer, Former DT2170
Ring DT2346
Clip DT2347
Board DT2348
FX2633
Single aperture core, A13, 8 x 2 x 6mm.
FX2634
Double aperture core, A13, 10.9 x 5.4 x 10.9mm
FX2691
Toroid, A13, 13.7 x 6.3 x 3.2mm, Not coated.
FX2754
Double aperture core, A13, 13 x 8 x 3.2mm.
FX2837
Double aperture core, A8, 10.9 X 5.4 X 10.9.
Hall channel.
FX2856
X core, X22, mu = 1440 Min.
FX2857
X core, X30, mu = 1525 Min.
FX2858
X core, X35, mu = 1580 Min.
FX3008
Toroid, A13, 12.7 x 6.3 x 3.2mm,
Coated.
Special product, A4.
FX3009
Toroid, A13, 12.7 x 6.3 x 3.2mm,
Coated.
Special product, A4.
AL = 710.
FX3234
U60 / 35 / 15, A16 (3c8).
Rectangular, Satin finish.
FX3235
U60 / 55 / 15, A16 (3c8).
Rectangular, Satin finish.
FX3239
Toroid, 6 / 4 / 2, (3e3).
Replaced with toroid in (3e5), mu = 10,000
FX3280
Pot core, A8 (3e4), 10mm, AL = 2,493 Min.
Transformer, see FX2501.
FX3286
Pot core, A8 (3e4), 30mm, AL = 11,250.
Transformer, see FX2241.
FX3287
Pot core, A8 (3e4), 35mm, AL = 13,350.
Transformer, see FX2242.
FX3288
Pot core, A8 (3e4), 45mm, AL = 15,000 Min
Transformer, see FX2243
FX3311
Toroid, A8, 12.7 x 6.3 x 3.2mm,
Not coated.
FX3312
Toroid, A8, 25.4 x 19 x 4.8mm,
Not coated.
FX3313
Toroid, A8, 38.1 x 25.4 x 6.3mm,
Not coated.
FX3316
Double aperture core, A8, 10.8 x 5.4 x 6mm,
Half channel.
FX3432
RM6-s, TFR A13(3h1), AL = 1,930 Min.
Bobbins DT2491 4 pin
DT2492 6 pin
DT2494 d/s 6 pin
DT2498 + earth tag, DT2398 no spike.
FX3433
RM6-s, TFR A13 (3h1), AL = 2,000 Min
Former DT2467 one section 4 pin
DT2517 one section 6 pin
DT2477 two section 6 pin
DT2398 no spike
DT2498 with spike.
FX3434
RM7, TFR A13 (3h1), AL = 2,230 Min.
Former DT2468 one section 4pin
DT2391 one section 5 pin
DT2392 one section 8 pin
DT2523 two section 8 pin
DT2387 no spike
DT2487 With spike.
FX3435
RM8, TFR A13 (3h1), AL = 2,400 Min.
former DT2470 one section 4 pin
DT2480 one section 8 pin
DT2481 two section 8 pin
DT2396 no spike
DT2497 with spike.
FX3436
RM10, TFR A13 (3h1), AL = 3,260 Min.
Formers DT2534 one section 5 pin
DT2335 one section 8 pin
DT2641 one section 5 pin
DT2642 one section 8 pin
DT2644 one section 12 pin
DT2539 two section 8 pin
DT2643 two section 8 pin
DT2645 two section 12 pin
Clips DT2406 no spike
DT2506 with spike.
FX3437
RM6-s, TFR A8 (3e4), AL = 3,300 Min.
Accessories see FX3432.
FX3438
RM6-r, TFR A8 (3e4),AL = 3,560 Min.
Accessories see FX3433.
FX3439
RM7, TFR A8 (3e4), AL = 4,200 Min.
Accessories see FX3434.
FX3440
RM8, TFR A8 (3e4), AL = 6,450 Min.
Accessories see FX3435.
FX3441
RM10, TFR A8 (3e4), AL = 6,450 Min
Accessories see FX3436.
FX3574
E-Core, E41 / 22 / 9, A16 (3c8).
FX3579
E-Core, E54 / 13 / 8, A16 (3c8).
FX3590
E-Core, E25 / 9 / 12, A16 (3c8).
FX3591
E-Core, E25 / 9 / 6, A16 (3c8).
FX3604
U15 / 11 / 6, A16 (3c8).
Rectangular section.
Former DT2607 4 pin.
FX3605
U20 / 16 / 7, A16 (3c8).
Rectangular Section.
Former DT2608 4 pin
FX3606
U25 / 20 / 13, A16 (3c8).
Rectangular section
Former DT2609 10 pin.
FX3607
E-Core, E42 / 21 / 20, A16 (3c8.)
Transformer core 330Watts at 25Khz, Push Pull.
FX3608
E-Core, E55 / 28 / 21, A16 (3c8).
Transformer Core 600 Watts at 25Khz Push Pull.
FX3609
E-Core, E55 / 28 / 25, A16 (3c8).
FX3670
RM8, A16 (3c8)
Transformer Core
Former DT2470 4 pin
DT2480 6 pin
Clips DT2396 or DT2496.
FX3676
U10 / 8 / 3. A16 (3c8)
Rectangular section
Former DT2606 4 pin.
FX3687
E-Core, E42 / 21 / 20, A16 (3c8).
Gapped.
FX3688
E-Core, E55 / 28 / 21, A16 (3c8).
Gapped.
FX3689
E-Core, E55 / 28 / 25, A16 (3c8).
Gapped.
FX3690
E-Core, E186 / 76 / 30, A16 (3c8).
FX3720
EC-Core, EC35 / 17 / 10, A16 (3c8).
Transformer core 100Watt at 25Khz Push Pull.
FX3721
EC-Core, EC35 / 17 / 10, A16 (3c8).
Gapped.
Former DT2723 Solder Tag DT2700
DT2724.
FX3730
EC-Core, EC41 / 19 / 12, A16 (3c8).
Transformer core 150Watt at 25Khz push Pull.
FX3731
EC-Core, EC41 / 19 / 12, A16 (3c8).
Formers DT2733 solder tags DT2700
Formers DT2734 solder tags DT2701
FX3740
EC-Core, EC52 / 24 / 14, A16 (3c8).
Transformer core 300Watt at 25Khz Push Pull.
Formers DT2743, DT2744. Solder tags DT2700, DT2702.
FX3741
EC-Core, EC52 / 24 / 14, A16 (3c8).
Gapped
Formers & Tags as FX3740.
FX3750
EC-Core, EC70 / 34 / 17, A16 (3c8).
Transformer core 700Watts at 25Khz Push Pull.
Formers DT2753, DT2754.
Solder Tags DT2700, DT2702.
FX3751
EC-Core, EC70 / 34 / 17, A16 (3c8).
Gapped
Formers & tags as FX3750.
FX3837
U30 / 25 / 16, A16 (3c8).
Rectangular section
Former DT2610 10 pin.
FX3838
E-Core, E44 / 17 / 18, A16 (3c8)
Circular centre pole for telephony line Hybrid Transformer.
Clamp DT2640.
FX3839
A special gapped version of FX3838.
FX3845
E-Core, E65 / 33 / 27, A16 (3c8).
Transformer core 1000Watts at 2Khz Push Pull.
FX3848
Toroid, 13.2 x 5.4 x 4.1mm, A16 (3c8).
Nylon coated for use in AC motor speed control.
FX3849
Toroid, 27.6 x 17.1 x 6.3, A16 (3c8).
Nylon coated for use in AC motor speed control.
FX3850
Toroid, 6 x 4 x 2mm, (4c6)
Nylon coated.
FX3851
Toroid, 9 x 6 x 3mm, (4c6)
Nylon coated.
FX3852
Toroid, 14 x 9 x 5mm, (4c6)
Nylon coated.
FX3853
Toroid, 23 x 14 x 7mm, (4c6)
Nylon coated.
FX3854
Toroid, 36 x 23 x 15mm, (4c6)
FX3860
U100 / 57 / 25. A16 (3c8)
Associated with I-core FX3861.
FX3861
I-core, I100 / 25 / 25. A16 (3c8)
Rectangular section, associated
with FX3860.
FX3862
U93 / 76 / 30. A16 (3c8)
Rectangular section, associated
with I-core I93 / 30 / 30. FX3863.
FX3863
Rectangular section.
I-core, I93 / 30 / 30. A16 (3c8)
Associated with U-core, FX3862.
FX3865
E-core, E65 / 33 / 27. A16 (3c8)
Gapped.
FX3920
RM10, A16 (3c8)
Transformer core,
Former DT2614 (0 pins)
DT2534, DT2641 (5 pins)
DT2535, DT2642 (8 pins)
DT2406, DT2506 Clips.
FX3970
RM6-s, A16 (3c8)
Transformer core,
Formers DT2491 (0 pins)
DT2492 (6 pins)
DT2398, DT2498 Clips.
FX3971
Special Product.
RM10, TFR A8 (3e4), AL = 7875 Min
Accessories see FX3436.
FX3980
RM14, A16 (3c8),
Transformer core,
Bobbin DT2631 (12 pins)
DT2632 (0 pins)
Clips DT 2623.
FX3991
A13, 10.8 x 5.4 x 6.
Double aperture core .
FX4000 to FX4009
Suppression beads.
FX4010 to FX4025
Suppression beads
RFI suppression in 3s2.
FX4026 to FX4041
Suppression beads
RFI suppression in 4s3.
FX4050
Toroid, 4 x 2.2 x 1.1mm (3e2)
Nylon coated.
FX4051
Toroid, 6 x 4 x 2mm (3e2)
Nylon coated.
FX4052
Toroid, 9 x 6 x 3mm (3e2)
Nylon coated.
FX4053
Toroid, 14 x 9 x 5mm (3e2)
Nylon coated.
FX4054
Toroid, 23 x 14 x 7mm (3e2)
Nylon coated.
FX4060
Toroid, 4 x 2.2 x 1.1mm (3h2)
(A13), Nylon coated.
FX4061
Toroid, 6 x 4 x 2mm, A13 (3h2)
Nylon coated.
FX4062
Toroid, 9 x 6 x 3mm, A13 (3h2)
Nylon coated.
FX4063
Toroid, 14 x 9 x 5mm, A13 (3h2)
Nylon coated.
FX4064
Toroid, 23 x 14 x 7mm, A13 (3h2)
Nylon coated.
FX4072
Toroid, 29 x 19 x 7.5mm, (3e1)
Nylon coated.
FX4073
Toroid, 36 x 23 x 10mm, (3e1)
Nylon coated.
FX4074
Toroid, 36 x 23 x 15mm, (3e1)
Nylon coated.
The following information
on FX and LA Ferrites
has been made available from Alan Gall
FX1007
E-cores, 2 cores Min, mu = 1150 min.
Small sig applications.
L41 x H44 x W9mm.
FX1052
E-cores, 2 cores Min, mu = 900 min.
Small sig applications.
L13 x H13 x W3mm.
FX1053
I-core, used with FX1052
mu = 700, E & I
FX1054
Tube, Ref 3.
FX1060
Tube, A1 material, Ref 4.
FX1065
Tube, B2 material, Ref 4.
FX1068
Tube, Ref 3.
FX1073
E-core, 2 cores Min,(2e5).
mu = 1150.
FX1076
Toroid, A4 material,
Uncoated.
FX1082
Rod, Ref 3.
FX1085
Tube, B2 material, Ref 4.
FX1095
Tube, B2 material, Ref 3 & 4.
FX1097
Tube, Ref 3.
FX1099
Rod Ref 3.
FX1105
E-core, mu = 1150 Min.
Dimensions, 30 x 25 x 12mm.
FX1107
I-core, used with FX1007
Dimensions, 41 x 28 x 9mm.
FX1108
Toroid, Ref 3.
FX1111
Tube, Ref 3.
FX1112
Tube, Ref 3.
FX1115
Beads, screening, A1 material,
Ref 4.
Out Dia 4.15mm.
In Dia 1.55mm.
Hi 5.6mm.
FX1128
Tube, Ref 3.
FX1130
Rod Ref 3.
FX1133
Rod, Ref 3.
FX1135
Tube, A1 material, Ref 4.
FX1142
Rod, Ref 3.
FX1145
Tube, A1 material, Ref 4.
FX1147
Rod, Ref 3.
FX1156
Tube, Ref 3.
FX1158
Tube A1 material, Ref 4.
FX1159
Tube, Ref 3.
FX1164
Tube, A1 material, Ref 3 & 4.
FX1178
Tube, A2 material, Ref 4.
FX1188
Tube, A1 material, Ref 4.
FX1229
Rod, Ref 3.
FX1230
Toroid, Tube, A1 material, Ref 3.
FX1238
E-cores, A13, (3h1) mu = 1150 Min.
2 cores small sig application.
FX1231
Toroid, Ref 3.
FX1239
E-cores, Min 2 cores, B2, Ref 4.
FX1242
Bead, screening, B2, Ref 4.
FX1243
Tube, A4 material.
Ref 3.
FX1247
Rod, Ref 3.
FX1265
Same size as FX1105
but in B2 material
for drawing see Mullard file.
FX1299
Toroid, Ref 3.
FX1302
Rod, Ref 3.
FX1304
Tube, Ref 3.
FX1315
E-cores,
Dimensions, 2 ends, 40 x 48 x 15mm
mu = 1150 Min.
FX1322
Toroid, Ref 3.
FX1346
Rod, Ref 3.
FX1354
Rod, Ref 3.
FX1355
Rod, Ref 3.
FX1359
Tube, Ref 3.
FX1360
Tube Ref 3.
FX1361
Tube, Ref 3.
FX1362
Rod, Ref 3.
FX1381
Rod, Ref 3.
FX1393
Tube, A1 material
Ref 4.
FX1398
Rod, Ref 3.
FX1447
Tube, A4 material
Ref 4.
FX1455
Tube, B2 material
Ref 4.
FX1459
Rod, Ref 3.
FX1474
Tube, Ref 3.
FX1478
Tube, Ref 3 & 4,
B2 material.
FX1487
Tube, Ref 3.
FX1488
Tube, Ref 3.
FX1505
Tube, Ref 3.
FX1507
Tube, Ref 3.
FX1516
Bead, screening, 2 hole, B2.
12.4 long, 5.9 Dia, holes 0.7mm
FX1582
Toroid, A4, 25.4 x 19 x 4.8mm
Uncoated, Ref 4.
FX1583
Toroid, Ref 3.
FX1585
Toroid Ref 3.
FX1586
Toroid A4 38.1 x 25.4 x 6.3mm, Uncoated
FX1587
Toroid B1 38.1 x 25.4 x 6.3mm, Uncoated
FX1588
Toroid B2 38.1 x 25.4 x 6.3mm, Uncoated
FX
1589
Toroid B3 38.1 x 25.4 x 6.3mm, Uncoated
FX1590
Toroid B4 38.1 x 25.4 x 6.3mm, Uncoated
FX1591
Toroid Ref 3.
FX1593
Toroid A4 12.7 x 8.3 x 3.2mm, Uncoated
FX1594
Toroid B1 12.7 x 8.3 x 3.2mm, Uncoated
FX1595
Toroid B2 12.7 x 8.3 x 6.3mm, Uncoated
FX1596
Toroid Ref 3.
FX1597
Toroid Ref 3.
FX1598
Toroid B5 12.7 x 6.3 x 3.2mm, Uncoated
FX1652
E cores, Dimensions for two cores
20 x 19 x 5mm, mu = 1150 Min
Small signal application.
FX1653
E cores, Dimensions for two cores
90 x 63 x 24mm, mu = 1150 Min
Small signal application.
FX1818
E cores, Dimensions for two cores
42 x 35 x 9mm, mu = 1150 Min
Small signal application.
FX1897
Tube, D4 Ref 4.
FX1819
E cores, mu = 1150
2 cores, 56 x 58 x 13mm
FX1898
Screening bead, 6 holes, B2
o.d. 6.3 x 10.5mm
hole Dia 0.6mm
FX2049
Double Aperture core, B2
13 x 8 x 6mm
FX2236
Pot core 14mm, A13 (3h1)
mu = 950,
Transformer, Former DT2202 one section.
DT2279 two sections.
Ring DT2351
Clips DT 2352
Board DT2354
FX2239
4 slot.
Pot core, 21mm, A13 (3h1) mu = 1150 Min.
Transformer.
Former DT2204 (1 section)
DT2282 (2 section)
Ring DT2361
Clips DT2357
Board DT2364
FX2238
Pot core, 18mm, A13 (3h1) mu = 1150 Min.
Transformer.
Former DT2178 (1 section)
DT2281 (2 section)
Ring DT2356
Clips DT2357
Board DT2359
FX2240
Pot core, 25mm, A13 (3h1) mu = 1200 Min.
Transformer.
Former DT2179 (1 section)
DT2283 (2 section)
Ring DT2366
Clips DT2367
Board DT2369
FX2241
Pot core, 30mm, A13 (3h1) AL = 5815 Min.
Transformer.
Former DT2205 (1 section)
DT2284 (2 section)
Ring DT2371
Clips DT2372
Board DT2374
FX2242
Pot core, 35mm, A13 (3h1) AL = 6950 Min.
Transformer.
Former DT2180 (1 section)
DT2285 (2 section)
Ring DT2376
Clips DT2377
Board DT2379
FX2243
Pot core, A13, (3h1) 45mm, AL = 8830 Min
Transformer, Former DT2206 one section.
Ring DT2501
Clips DT2502
Board DT2504
FX2246
Tube, A2, Ref 4.
FX2249
Double aperture core, B1
10. x 5.4 x 10.9mm
Full channel.
FX2431
Single aperture core, B1,
8 x 2 x 6mm
FX2501
Pot core, A13 (3h1), 10mm, AL = 1205 min.
Transformer, Former DT2109
Ring DT2341
Clip DT2342
Board DT2344
FX2502
Pot core, A13 (3h1), 12mm, mu = 900 min.
Transformer, Former DT2170
Ring DT2346
Clip DT2347
Board DT2348
FX2633
Single aperture core, A13, 8 x 2 x 6mm.
FX2634
Double aperture core, A13, 10.9 x 5.4 x 10.9mm
FX2691
Toroid, A13, 13.7 x 6.3 x 3.2mm, Not coated.
FX2754
Double aperture core, A13, 13 x 8 x 3.2mm.
FX2837
Double aperture core, A8, 10.9 X 5.4 X 10.9.
Hall channel.
FX2856
X core, X22, mu = 1440 Min.
FX2857
X core, X30, mu = 1525 Min.
FX2858
X core, X35, mu = 1580 Min.
FX3008
Toroid, A13, 12.7 x 6.3 x 3.2mm,
Coated.
Special product, A4.
FX3009
Toroid, A13, 12.7 x 6.3 x 3.2mm,
Coated.
Special product, A4.
AL = 710.
FX3234
U60 / 35 / 15, A16 (3c8).
Rectangular, Satin finish.
FX3235
U60 / 55 / 15, A16 (3c8).
Rectangular, Satin finish.
FX3239
Toroid, 6 / 4 / 2, (3e3).
Replaced with toroid in (3e5), mu = 10,000
FX3280
Pot core, A8 (3e4), 10mm, AL = 2,493 Min.
Transformer, see FX2501.
FX3286
Pot core, A8 (3e4), 30mm, AL = 11,250.
Transformer, see FX2241.
FX3287
Pot core, A8 (3e4), 35mm, AL = 13,350.
Transformer, see FX2242.
FX3288
Pot core, A8 (3e4), 45mm, AL = 15,000 Min
Transformer, see FX2243
FX3311
Toroid, A8, 12.7 x 6.3 x 3.2mm,
Not coated.
FX3312
Toroid, A8, 25.4 x 19 x 4.8mm,
Not coated.
FX3313
Toroid, A8, 38.1 x 25.4 x 6.3mm,
Not coated.
FX3316
Double aperture core, A8, 10.8 x 5.4 x 6mm,
Half channel.
FX3432
RM6-s, TFR A13(3h1), AL = 1,930 Min.
Bobbins DT2491 4 pin
DT2492 6 pin
DT2494 d/s 6 pin
DT2498 + earth tag, DT2398 no spike.
FX3433
RM6-s, TFR A13 (3h1), AL = 2,000 Min
Former DT2467 one section 4 pin
DT2517 one section 6 pin
DT2477 two section 6 pin
DT2398 no spike
DT2498 with spike.
FX3434
RM7, TFR A13 (3h1), AL = 2,230 Min.
Former DT2468 one section 4pin
DT2391 one section 5 pin
DT2392 one section 8 pin
DT2523 two section 8 pin
DT2387 no spike
DT2487 With spike.
FX3435
RM8, TFR A13 (3h1), AL = 2,400 Min.
former DT2470 one section 4 pin
DT2480 one section 8 pin
DT2481 two section 8 pin
DT2396 no spike
DT2497 with spike.
FX3436
RM10, TFR A13 (3h1), AL = 3,260 Min.
Formers DT2534 one section 5 pin
DT2335 one section 8 pin
DT2641 one section 5 pin
DT2642 one section 8 pin
DT2644 one section 12 pin
DT2539 two section 8 pin
DT2643 two section 8 pin
DT2645 two section 12 pin
Clips DT2406 no spike
DT2506 with spike.
FX3437
RM6-s, TFR A8 (3e4), AL = 3,300 Min.
Accessories see FX3432.
FX3438
RM6-r, TFR A8 (3e4),AL = 3,560 Min.
Accessories see FX3433.
FX3439
RM7, TFR A8 (3e4), AL = 4,200 Min.
Accessories see FX3434.
FX3440
RM8, TFR A8 (3e4), AL = 6,450 Min.
Accessories see FX3435.
FX3441
RM10, TFR A8 (3e4), AL = 6,450 Min
Accessories see FX3436.
FX3574
E-Core, E41 / 22 / 9, A16 (3c8).
FX3579
E-Core, E54 / 13 / 8, A16 (3c8).
FX3590
E-Core, E25 / 9 / 12, A16 (3c8).
FX3591
E-Core, E25 / 9 / 6, A16 (3c8).
FX3604
U15 / 11 / 6, A16 (3c8).
Rectangular section.
Former DT2607 4 pin.
FX3605
U20 / 16 / 7, A16 (3c8).
Rectangular Section.
Former DT2608 4 pin
FX3606
U25 / 20 / 13, A16 (3c8).
Rectangular section
Former DT2609 10 pin.
FX3607
E-Core, E42 / 21 / 20, A16 (3c8.)
Transformer core 330Watts at 25Khz, Push Pull.
FX3608
E-Core, E55 / 28 / 21, A16 (3c8).
Transformer Core 600 Watts at 25Khz Push Pull.
FX3609
E-Core, E55 / 28 / 25, A16 (3c8).
FX3670
RM8, A16 (3c8)
Transformer Core
Former DT2470 4 pin
DT2480 6 pin
Clips DT2396 or DT2496.
FX3676
U10 / 8 / 3. A16 (3c8)
Rectangular section
Former DT2606 4 pin.
FX3687
E-Core, E42 / 21 / 20, A16 (3c8).
Gapped.
FX3688
E-Core, E55 / 28 / 21, A16 (3c8).
Gapped.
FX3689
E-Core, E55 / 28 / 25, A16 (3c8).
Gapped.
FX3690
E-Core, E186 / 76 / 30, A16 (3c8).
FX3720
EC-Core, EC35 / 17 / 10, A16 (3c8).
Transformer core 100Watt at 25Khz Push Pull.
FX3721
EC-Core, EC35 / 17 / 10, A16 (3c8).
Gapped.
Former DT2723 Solder Tag DT2700
DT2724.
FX3730
EC-Core, EC41 / 19 / 12, A16 (3c8).
Transformer core 150Watt at 25Khz push Pull.
FX3731
EC-Core, EC41 / 19 / 12, A16 (3c8).
Formers DT2733 solder tags DT2700
Formers DT2734 solder tags DT2701
FX3740
EC-Core, EC52 / 24 / 14, A16 (3c8).
Transformer core 300Watt at 25Khz Push Pull.
Formers DT2743, DT2744. Solder tags DT2700, DT2702.
FX3741
EC-Core, EC52 / 24 / 14, A16 (3c8).
Gapped
Formers & Tags as FX3740.
FX3750
EC-Core, EC70 / 34 / 17, A16 (3c8).
Transformer core 700Watts at 25Khz Push Pull.
Formers DT2753, DT2754.
Solder Tags DT2700, DT2702.
FX3751
EC-Core, EC70 / 34 / 17, A16 (3c8).
Gapped
Formers & tags as FX3750.
FX3837
U30 / 25 / 16, A16 (3c8).
Rectangular section
Former DT2610 10 pin.
FX3838
E-Core, E44 / 17 / 18, A16 (3c8)
Circular centre pole for telephony line Hybrid Transformer.
Clamp DT2640.
FX3839
A special gapped version of FX3838.
FX3845
E-Core, E65 / 33 / 27, A16 (3c8).
Transformer core 1000Watts at 2Khz Push Pull.
FX3848
Toroid, 13.2 x 5.4 x 4.1mm, A16 (3c8).
Nylon coated for use in AC motor speed control.
FX3849
Toroid, 27.6 x 17.1 x 6.3, A16 (3c8).
Nylon coated for use in AC motor speed control.
FX3850
Toroid, 6 x 4 x 2mm, (4c6)
Nylon coated.
FX3851
Toroid, 9 x 6 x 3mm, (4c6)
Nylon coated.
FX3852
Toroid, 14 x 9 x 5mm, (4c6)
Nylon coated.
FX3853
Toroid, 23 x 14 x 7mm, (4c6)
Nylon coated.
FX3854
Toroid, 36 x 23 x 15mm, (4c6)
FX3860
U100 / 57 / 25. A16 (3c8)
Associated with I-core FX3861.
FX3861
I-core, I100 / 25 / 25. A16 (3c8)
Rectangular section, associated
with FX3860.
FX3862
U93 / 76 / 30. A16 (3c8)
Rectangular section, associated
with I-core I93 / 30 / 30. FX3863.
FX3863
Rectangular section.
I-core, I93 / 30 / 30. A16 (3c8)
Associated with U-core, FX3862.
FX3865
E-core, E65 / 33 / 27. A16 (3c8)
Gapped.
FX3920
RM10, A16 (3c8)
Transformer core,
Former DT2614 (0 pins)
DT2534, DT2641 (5 pins)
DT2535, DT2642 (8 pins)
DT2406, DT2506 Clips.
FX3970
RM6-s, A16 (3c8)
Transformer core,
Formers DT2491 (0 pins)
DT2492 (6 pins)
DT2398, DT2498 Clips.
FX3971
Special Product.
RM10, TFR A8 (3e4), AL = 7875 Min
Accessories see FX3436.
FX3980
RM14, A16 (3c8),
Transformer core,
Bobbin DT2631 (12 pins)
DT2632 (0 pins)
Clips DT 2623.
FX3991
A13, 10.8 x 5.4 x 6.
Double aperture core .
FX4000 to FX4009
Suppression beads.
FX4010 to FX4025
Suppression beads
RFI suppression in 3s2.
FX4026 to FX4041
Suppression beads
RFI suppression in 4s3.
FX4050
Toroid, 4 x 2.2 x 1.1mm (3e2)
Nylon coated.
FX4051
Toroid, 6 x 4 x 2mm (3e2)
Nylon coated.
FX4052
Toroid, 9 x 6 x 3mm (3e2)
Nylon coated.
FX4053
Toroid, 14 x 9 x 5mm (3e2)
Nylon coated.
FX4054
Toroid, 23 x 14 x 7mm (3e2)
Nylon coated.
FX4060
Toroid, 4 x 2.2 x 1.1mm (3h2)
(A13), Nylon coated.
FX4061
Toroid, 6 x 4 x 2mm, A13 (3h2)
Nylon coated.
FX4062
Toroid, 9 x 6 x 3mm, A13 (3h2)
Nylon coated.
FX4063
Toroid, 14 x 9 x 5mm, A13 (3h2)
Nylon coated.
FX4064
Toroid, 23 x 14 x 7mm, A13 (3h2)
Nylon coated.
FX4072
Toroid, 29 x 19 x 7.5mm, (3e1)
Nylon coated.
FX4073
Toroid, 36 x 23 x 10mm, (3e1)
Nylon coated.
FX4074
Toroid, 36 x 23 x 15mm, (3e1)
Nylon coated.
References:
1. Mullard Short Form Guide 1984/85
2. Mullard Quick Reference Guide 1977/78
3. Mullard Ferroxcube for Industry 1958
4. Marconi specification WIS8857