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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
B65813J0250A041FERRITE CORE RM 250NH N41 2PCS |
506 |
|
Datasheet | RM10 | Box | Active | RM | RM 10 | N41 | - | 250 nH | ±3% | Gapped | 89.0 | 2800 | 0.45 | 44.0 | 98.0 | 90.0 | 4310.0 | Uncoated | 0.368" (9.35mm) | 1.122" (28.50mm) | 0.531" (13.50mm) |
|
ETD54/28/19-3C97FERRITE CORE ETD 3C97 |
294 |
|
Datasheet | - | Bulk | Active | ETD | ETD 54 x 28 x 19 | 3C97 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 1.087" (27.60mm) | 2.156" (54.50mm) | 0.744" (18.90mm) |
|
B65531D0040A001FERRITE CORE P 40NH K1 2PCS |
1,570 |
|
Datasheet | P11/7 | Box | Active | P (Pot Core) | P 11 x 7 | K1 | 0.445" (11.30mm) | 40 nH | ±3% | Gapped | 32.0 | 80 | 1.0 | 15.9 | 15.9 | - | 253.0 | Uncoated | 0.130" (3.30mm) | - | - |
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B64290L0616X038FERRITE CORE TOROID 21.3UH T38 |
631 |
|
Datasheet | TX25.3/14.8/20 | Box | Active | Toroid | - | T38 | 1.047" (26.60mm) | 21.3 µH | ±30% | Ungapped | - | 10000 | 0.59 | 60.07 | 102.5 | - | 6157.0 | Epoxy | 0.839" (21.30mm) | - | - |
|
B65813J0000R049FERRITE CORE RM 2.9UH N49 2PCS |
572 |
|
Datasheet | RM10 | Box | Active | RM | RM 10 | N49 | - | 2.9 µH | -20%, +30% | Ungapped | 1040.0 | 1500 | 0.45 | 44.0 | 98.0 | 90.0 | 4310.0 | Uncoated | 0.368" (9.35mm) | 1.122" (28.50mm) | 0.531" (13.50mm) |
|
B66365G1500X187FERRITE CORE ETD N87 1PC |
287 |
|
Datasheet | ETD44/22/15 | Box | Active | ETD | ETD 44 x 22 x 15 | N87 | - | - | - | Gapped | - | - | - | - | - | - | - | Uncoated | 0.886" (22.50mm) | 1.724" (43.80mm) | 0.598" (15.20mm) |
|
PQ32/30-3F36FERRITE CORE PQ 3F36 2PC SET |
1,508 |
|
Datasheet | - | Bulk | Active | PQ | PQ 32 x 30 | 3F36 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 1.193" (30.30mm) | 1.299" (33.00mm) | 0.866" (22.00mm) |
|
C055380A2FERRITE CORE TOROID 89NH MPP |
1,484 |
|
Datasheet | - | Bulk | Active | Toroid | - | MPP | 0.710" (18.03mm) | 89 nH | ±8% | Ungapped | - | 125 | - | 41.4 | 23.2 | - | 960.0 | Coated | 0.280" (7.11mm) | - | - |
|
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CMC025016010HNANOCRYSTAL CORE TOROID 65.5UH |
244 |
|
Datasheet | - | Bulk | Active | Toroid | - | Nanocrystalline | 0.984" (25.00mm) | 65.5 µH | ±30% | Ungapped | - | 80000 | - | 64.3 | 37.0 | - | - | Polyester | 0.394" (10.00mm) | - | - |
|
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B65813J0000R041FERRITE CORE RM 5.5UH N41 2PCS |
734 |
|
Datasheet | RM10 | Box | Active | RM | RM 10 | N41 | - | 5.5 µH | -20%, +30% | Ungapped | 1960.0 | 2800 | 0.45 | 44.0 | 98.0 | 90.0 | 4310.0 | Uncoated | 0.368" (9.35mm) | 1.122" (28.50mm) | 0.531" (13.50mm) |
|
|
C055117A2FERRITE CORE TOROID 115NH MPP |
708 |
|
Datasheet | - | Bulk | Active | Toroid | - | MPP | 0.680" (17.27mm) | 115 nH | ±8% | Ungapped | - | 200 | - | 41.2 | 19.2 | - | 791.0 | Coated | 0.280" (7.11mm) | - | - |
|
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PQ35/35-3F36FERRITE CORE PQ 3F36 2PC SET |
366 |
|
Datasheet | - | Bulk | Active | PQ | PQ 35 x 35 | 3F36 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 1.366" (34.70mm) | 1.421" (36.10mm) | 1.024" (26.00mm) |
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B65813J0630J041FERRITE CORE RM 630NH N41 2PCS |
879 |
|
Datasheet | RM10 | Box | Active | RM | RM 10 | N41 | - | 630 nH | ±5% | Gapped | 225.0 | 2800 | 0.45 | 44.0 | 98.0 | 90.0 | 4310.0 | Uncoated | 0.368" (9.35mm) | 1.122" (28.50mm) | 0.531" (13.50mm) |
|
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B65813J1600K041FERRITE CORE RM 1.6UH N41 2PCS |
209 |
|
Datasheet | RM10 | Box | Active | RM | RM 10 | N41 | - | 1.6 µH | ±10% | Gapped | 572.0 | 2800 | 0.45 | 44.0 | 98.0 | 90.0 | 4310.0 | Uncoated | 0.368" (9.35mm) | 1.122" (28.50mm) | 0.531" (13.50mm) |
|
5975002701FERRITE CORE TOROID 75 |
678 |
|
Datasheet | - | Bulk | Active | Toroid | - | 75 | 1.400" (35.56mm) | - | ±25% | Ungapped | - | 5000 | - | 89.0 | 79.0 | - | 7000.0 | Uncoated | 0.500" (12.70mm) | - | - |
|
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C058059A2FERRITE CORE TOROID 43NH MPP |
118 |
|
Datasheet | - | Bulk | Active | Toroid | - | MPP | 0.930" (23.62mm) | 43 nH | ±8% | Ungapped | - | 60 | - | 56.7 | 31.7 | - | 1800.0 | Coated | 0.330" (8.38mm) | - | - |
|
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5961002721FERRITE CORE TOROID 140NH 61 |
216 |
|
Datasheet | - | Box | Active | Toroid | - | 61 | 1.449" (36.80mm) | 140 nH | ±25% | Ungapped | - | 125 | 1.14 | 89.0 | 78.0 | - | 7000.0 | Epoxy | 0.539" (13.70mm) | - | - |
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B66289K0000X187FERRITE CORE I N87 |
3,591 |
|
Datasheet | I38/4/25 | Tray | Active | I | I 38 x 4 x 25 | N87 | - | - | - | Ungapped | - | - | - | - | - | - | - | Uncoated | 0.150" (3.81mm) | 1.500" (38.10mm) | 1.000" (25.40mm) |
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B65651D0250A048FERRITE CORE P 250NH N48 2PCS |
1,726 |
|
Datasheet | P18/11 | Box | Active | P (Pot Core) | P 18 x 11 | N48 | 0.724" (18.40mm) | 250 nH | ±3% | Gapped | 120.0 | - | 0.6 | 25.9 | 43.0 | - | 1114.0 | Uncoated | 0.209" (5.30mm) | - | - |
|
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0077256A7FERRITE CORE TOROID 35NH KOOL MU |
262 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 1.605" (40.77mm) | 35 nH | ±8% | Ungapped | - | 26 | - | 98.4 | 107.0 | - | 10600.0 | Coated | 0.605" (15.37mm) | - | - |
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.