Ferrite Cores
Explore Ferrite Cores parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Packaging | Product Status | Core Type | Supplier Device Package | Material | Diameter | Inductance Factor (Al) | Tolerance | Gap | Effective Permeability (µe) | Initial Permeability (µi) | Core Factor (ΣI/A) mm⁻¹ | Effective Length (le) mm | Effective Area (Ae) mm² | Minimum Core Cross Section (Amin) mm² | Effective Magnetic Volume (Ve) mm³ | Finish | Height | Length | Width |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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E42/21/15-3F36-G500FERRITE CORE E 3F36 |
1,899 |
|
Datasheet | - | Bulk | Active | E | E 42 x 21 x 15 | 3F36 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 0.827" (21.00mm) | 1.693" (43.00mm) | 0.598" (15.20mm) |
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ER48/21/21-3C94FERRITE CORE ER 3C94 |
4,566 |
|
Datasheet | - | Bulk | Active | ER | ER 48 x 21 x 21 | 3C94 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 0.835" (21.20mm) | 1.890" (48.00mm) | 0.827" (21.00mm) |
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ER54/18/18-3C94-G200FERRITE CORE ER 3C94 |
4,134 |
|
Datasheet | - | Bulk | Active | ER | ER 54 x 18 x 18 | 3C94 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 0.720" (18.30mm) | 2.106" (53.50mm) | 0.707" (17.95mm) |
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ER48/21/21-3C90Ferrite Misc |
1,972 |
|
Datasheet | - | Bulk | Active | ER | ER 48 x 21 x 21 | 3C90 | - | - | - | Ungapped | 1900.0 | - | - | - | - | - | - | Uncoated | - | - | - |
|
|
EP20-3C91FERRITE CORE EP 3C91 2PC SET |
4,460 |
|
Datasheet | - | Bulk | Active | EP | EP 20 | 3C91 | - | - | ±25% | Ungapped | 2040.0 | - | 0.52 | 41.1 | 78.7 | 60.8 | 3230.0 | Uncoated | 0.843" (21.40mm) | 0.945" (24.00mm) | 0.591" (15.00mm) |
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EP20-3C94Ferrite Misc |
3,384 |
|
Datasheet | - | Bulk | Active | EP | EP 20 | 3C94 | - | 4.435 µH | ±25% | Ungapped | 1840.0 | - | 0.52 | 41.1 | 78.7 | 60.8 | 3230.0 | Uncoated | 0.421" (10.40mm) | 0.945" (24.00mm) | 0.591" (15.00mm) |
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B65817J0000Y030RM3 N30 1600 +40% |
2,540 |
|
Datasheet | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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ZF43615TCTOROID GREY COATED |
1,548 |
|
Datasheet | - | Bulk | Active | Toroid | - | F | 1.463" (37.15mm) | 4.04 µH | ±20% | Ungapped | - | 3000 | - | 89.6 | 93.3 | - | 8366.0 | Epoxy | 0.614" (15.60mm) | - | - |
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C058050A5HIGH FLUX 125 PERM KHAKI 050 SIZ |
3,123 |
|
Datasheet | - | Bulk | Active | Toroid | - | High Flux | 0.530" (13.45mm) | 56 nH | ±8% | Ungapped | - | 125 | - | 31.2 | 10.9 | - | 340.0 | Coated | 0.217" (5.51mm) | - | - |
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0058040AYHIGH FLUX 125 PERM AY 040 SIZE |
1,971 |
|
Datasheet | - | Bulk | Active | Toroid | - | High Flux | 0.400" (10.15mm) | 66 nH | ±8% | Ungapped | - | 125 | - | 23.0 | 9.57 | - | 220.0 | Uncoated | 0.156" (3.96mm) | - | - |
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B65982E0000D001SPULENKOERPER PQ50/50 PHENOLIC |
3,484 |
|
Datasheet | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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ETD44/22/15-3F3Ferrite Misc |
2,508 |
|
Datasheet | - | Bulk | Active | ETD | ETD 44 x 22 x 15 | 3F3 | - | 3.5 µH | ±25% | Ungapped | 1660.0 | - | - | 103.0 | 173.0 | 172.0 | 17800.0 | Uncoated | 0.878" (22.30mm) | 1.772" (45.00mm) | 0.598" (15.20mm) |
|
B65805P0000Y038FERRITE CORE RM T38 |
1,091 |
|
Datasheet | RM5/LP | Tape & Reel (TR) | Active | RM | RM 5 | T38 | - | - | -30%, +40% | Ungapped | 4380.0 | - | 0.71 | 17.5 | 24.5 | 18.0 | 430.0 | Uncoated | - | 0.575" (14.60mm) | 0.268" (6.80mm) |
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B65517D0000Y038FERRITE CORE P 5.5UH T38 2PCS |
4,931 |
|
Datasheet | P9/5 | Box | Active | P (Pot Core) | P 9 x 5 | T38 | 0.366" (9.30mm) | 5.5 µH | -30%, +40% | Ungapped | 4930.0 | 10000 | 1.25 | 12.5 | 10.0 | - | 125.0 | Uncoated | 0.106" (2.70mm) | - | - |
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B65517W0000Y038FERRITE CORE P 5.5UH T38 2PCS |
4,381 |
|
Datasheet | P9/5 | Box | Active | P (Pot Core) | P 9 x 5 | T38 | 0.366" (9.30mm) | 5.5 µH | -30%, +40% | Ungapped | 4930.0 | 10000 | 1.13 | 13.4 | 11.9 | 9.3 | 159.0 | Uncoated | 0.106" (2.70mm) | - | - |
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ER32/6/25-3C97FERRITE CORE ER 3C97 |
2,114 |
|
Datasheet | - | Bulk | Active | ER | ER 32 x 6 x 25 | 3C97 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 0.236" (6.00mm) | 1.264" (32.10mm) | 1.000" (25.40mm) |
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ER32/6/25-3F36FERRITE CORE ER 3F36 |
4,428 |
|
Datasheet | - | Bulk | Active | ER | ER 32 x 6 x 25 | 3F36 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 0.236" (6.00mm) | 1.264" (32.10mm) | 1.000" (25.40mm) |
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PTS23/11-3F3Ferrite Misc |
2,798 |
|
Datasheet | - | Bulk | Active | P | PTS 23 x 11 | 3F3 | 0.902" (22.90mm) | 3.28 µH | ±25% | Ungapped | 1510.0 | - | 0.55 | 31.6 | 57.2 | 53.6 | 1810.0 | Uncoated | 0.217" (5.51mm) | - | - |
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ER32/6/25-3F3Ferrite Misc |
3,705 |
|
Datasheet | - | Bulk | Active | ER | ER 32 x 6 x 25 | 3F3 | - | - | ±25% | Ungapped | 1540.0 | - | 0.27 | 38.2 | 141.0 | 121.0 | 5400.0 | Uncoated | 0.236" (6.00mm) | 1.264" (32.10mm) | 1.000" (25.40mm) |
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B64290A0774X065R31.5/19/12.5 T65 RINGKERN |
1,131 |
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Datasheet | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Frequently Asked Questions
What are Ferrite Cores components used for?
Ferrite Cores components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Ferrite Cores part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can ICMENU help source obsolete or hard-to-find Ferrite Cores parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.