We offer a comprehensive line of Standard Bobbins that are available in a large variety of sizes and flange designs. This allows us to service you better by having industry standard sizes and flanges available for immediate shipment. Don’t see the size you need? Don’t worry, we do custom molding too..
Transformer Bobbins
3-1009
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Size: EI 187 3 SL
3-1407
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Size: EI-187 X 187 SL
3-1403
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Size: EE-24-25 X .25
3-1402
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Size: EE-24-25 X .25 SL
3-1018
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Size: EE-24-25 X 3/8
3-1137
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Size: EI-375 X 1/4
3-1405
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Size: EI-375 X 3/8
3-1406
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Size: EI-375 X 3/8 SL
3-1006
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Size: EI-375 X 3/8
3-1004
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Size: EI-21 X 1/2
3-1398
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Size: EI-21 X 1/2
3-2242
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Size: EI-21 X 1/2 3 FL
3-3372
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Size: EI-21 X 1/2 SL
3-3373
(Click for images and quotes)View Catalog page for part 3-3373 (PDF format)
Size: EI-21 X 1/2 SL 3FL
3-1011
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Size: EI-21 X 5/8
3-1471
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Size: EI-625 X 1/2 SL
3-1031
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Size: EI-625 X 5/8
3-3322
(Click for images and quotes)View Catalog page for part 3-3322 (PDF format)
Size: EI-625 X 5/8 3 FL
3-1409
(Click for images and quotes)View Catalog page for part 3-1409 (PDF format)
Size: EI-625 X 5/8 SL
3-1410
(Click for images and quotes)View Catalog page for part 3-1410 (PDF format)
Size: EI-625 X 5/8 SL
3-1411
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Size: EI-625 X 5/8 SL
3-1412
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Size: EI-625 X 5/8 SL
3-1413
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Size: EI-625 X 5/8 SL
3-1032
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Size: EI-625 X 3/4
3-3323
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Size: EI-625 X 3/4 3 FL
3-1414
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Size: EI-625 X 3/4 SL
3-1155
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Size: EI-75 X 3/4
3-3324
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Size: EI-75 X 3/4 3 FL
3-1260
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Size: EI-75 X 3/4 SL
3-2908
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Size: EI-75 X 3/4 SL
3-2909
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Size: EI-75 X 3/4 SL 3FL
3-3939
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Size: EI-75X 1 2FL
3-3940
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Size: EI-75X 1 3FL
3-3942
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Size: EI-75X 1 3FL OFFSET
3-1249
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Size: EI-87 X 7/8
3-3744
(Click for images and quotes)View Catalog page for part 3-3744 (PDF format)
Size: EI-87 X 7/8 3FL
3-2557
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Size: EI-87 X 1 2FL
3-2558
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Size: EI-87 X 1 3FL
3-3181
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Size: EI-100 X1.0
3-3381
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Size: EI-100 X1.0 3 FL
3-3178
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Size: EI-100 X1.0 SL
5-2505
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Size: EI-100 X 1.25
5-2504
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Size: EI-100 X 1.25 3FL
5-3165
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Size: EI-100 X 1.5
5-3166
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Size: EI-100 X 1.5 3 FL SL
5-3584
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Size: EI-112 X 1.125
5-3182
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Size: EI-112 X 1.375
5-3183
(Click for images and quotes)View Catalog page for part 5-3183 (PDF format)
Size: EI-112 X 1.375 SL
5-3382
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Size: EI-125 X 1.25 2FL
5-3577
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Size: EI-125 X 1.25 SL
5-3383
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Size: EI-125 X 1.25 3FL
5-3587
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Size: EI-125 X 1.25 3FL SL
5-3167
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Size: EI-125 X 1.5
5-3012
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Size: EI-125 X 1.5 3FL
5-3168
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Size: EI-125 X 1.5 3FL SL
5-3807
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Size: EI-125X 1.75 3FL SL
5-3188
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Size: EI-125 X 1.875 SL
5-3808
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Size: EI-125X 2.0 SL
5-3806
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Size: EI-125X 2.0 3FL SL
5-3724
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Size: EI-138 X 1.38
5-3725
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Size: EI-138 X 1.38 3FL
5-3140
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Size: EI-138 X 2.0
5-3683
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Size: EI-138 X 2.0 3FL
5-3000
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Size: EI-138 X 2.75
5-3379
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Size: EI-150 X 1.5 2FL
5-3578
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Size: EI-150 X 1.5 3FL
5-3380
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Size: EI-150 X 1.5 3FL
5-3588
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Size: EI-150 X 1.5 3FL SL
5-3062
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Size: EI-150 X 1.75
5-3169
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Size: EI-150 X 2.0
5-3643
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Size: EI-150 X 2.0 SL
5-3170
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Size: EI-150 X 2.0 3FL SL
5-3092
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Size: EI-150 X 2.5
5-2681
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Size: EI-175 SQ 2FL
5-2682
(Click for images and quotes)View Catalog page for part 5-2682 (PDF format)
Size: EI-175 SQ 3 FL
5-3882
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Size: EI-175X 2.0
5-3883
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Size: EI-175X 2.25 SL 3FL
5-3184
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Size: EI-175 X 2.5
5-3185
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Size: EI-175 X 2.5 3FL
5-3301
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Size: EI-175 X 3.0
5-3300
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Size: EI-175 X 3.0 3FL
5-3051
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Size: EI-175 X 4.0
5-3583
(Click for images and quotes)View Catalog page for part 5-3583 (PDF format)
Size: EI-175 X 4.0 3FL