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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CF139 T5818COSMO INDIA TOROIDAL RINGS MN-Z |
500 |
|
Datasheet | - | Bulk | Active | Toroid | TX 58 x 41 x 18 | - | 2.354" (59.80mm) | - | ±30% | Ungapped | - | - | 1.0 | 152.0 | 152.0 | - | 23200.0 | Epoxy | 0.729" (18.60mm) | - | - |
|
|
50ALL 25-25-25-0000I Bar / Block |
3,600 |
|
Datasheet | * | Bulk | Active | I | - | 50ALL | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 1.000" (25.40mm) | 1.000" (25.40mm) | 1.000" (25.40mm) |
|
|
5099 25-25-25-0000I Bar / Block |
3,600 |
|
Datasheet | * | Bulk | Active | I | - | 5099 | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 1.000" (25.40mm) | 1.000" (25.40mm) | 1.000" (25.40mm) |
|
|
7070 25-25-25-0000I Bar / Block |
3,600 |
|
Datasheet | * | Bulk | Active | I | - | 7070 | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 1.000" (25.40mm) | 1.000" (25.40mm) | 1.000" (25.40mm) |
|
|
7099 25-25-25-0000I Bar / Block |
3,600 |
|
Datasheet | * | Bulk | Active | I | - | 7099 | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 1.000" (25.40mm) | 1.000" (25.40mm) | 1.000" (25.40mm) |
|
|
N001 25-25-25-0000I Bar / Block |
3,600 |
|
Datasheet | * | Bulk | Active | I | - | N001 | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 1.000" (25.40mm) | 1.000" (25.40mm) | 1.000" (25.40mm) |
|
|
7070 81-13-16-0000I Bar / Mate with 81mm UR Core |
4,320 |
|
Datasheet | * | Bulk | Active | I | - | 7070 | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 0.500" (12.70mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
|
7099 81-13-16-0000I Bar / Mate with 81mm UR core |
4,320 |
|
Datasheet | * | Bulk | Active | I | - | 7099 | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 0.500" (12.70mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
|
50ALL 81-13-16-0000I Bar / Mate with 81mm UR Core |
4,320 |
|
Datasheet | * | Bulk | Active | I | - | 50ALL | - | - | ±25% | - | - | - | - | - | - | - | - | Uncoated | 0.500" (12.70mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
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CF196 EE6527COSMO INDIA E CORE MN-ZN |
500 |
|
Datasheet | - | Bulk | Active | E | E 65 x 32 x 27 | N27 | - | - | - | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.291" (32.80mm) | 2.559" (65.00mm) | 1.079" (27.40mm) |
|
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50ALL 81-42-16-0000UR 81 |
1,800 |
|
Datasheet | - | Bulk | Active | UR | - | 50ALL | - | - | ±25% | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.634" (41.50mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
|
7099 81-42-16-0000UR 81 |
1,800 |
|
Datasheet | - | Bulk | Active | UR | - | 7099 | - | - | ±25% | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.634" (41.50mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
|
7070 81-42-16-0000UR 81 |
1,800 |
|
Datasheet | - | Bulk | Active | UR | - | 7070 | - | - | ±25% | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.634" (41.50mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
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CF296 ETD4917COSMO INDIA E CORE MN-ZN |
500 |
|
Datasheet | - | Bulk | Active | E | EER 49 | PC47 | - | 6.25 µH | ±25% | Ungapped | - | - | 0.4 | 91.3 | 231.0 | - | 21100.0 | Uncoated | 0.748" (19.00mm) | 1.929" (49.00mm) | 0.677" (17.20mm) |
|
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50ALL 70-54-32-0000E-Core |
1,728 |
|
Datasheet | - | Bulk | Active | E | - | 50ALL | - | - | ±25% | Ungapped | - | - | - | - | - | - | - | Uncoated | - | 2.756" (70.00mm) | 1.248" (31.70mm) |
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CF139 PQ4040COSMO INDIA PQ CORE MN-ZN |
500 |
|
Datasheet | - | Bulk | Active | PQ | PQ 40 x 40 | N87 | - | 4.3 µH | -20%, +30% | Ungapped | - | 2200 | 0.49 | 92.5 | 188.3 | - | 17430.0 | Uncoated | 0.783" (19.90mm) | 1.594" (40.50mm) | 1.102" (28.00mm) |
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CF249 EE6420PCOSMO INDIA E CORE MN-ZN |
500 |
|
Datasheet | - | Bulk | Active | E | E 64 x 10 x 50 | 3C92 | - | - | - | - | - | - | - | - | - | - | - | Uncoated | 0.402" (10.20mm) | 2.520" (64.00mm) | 2.000" (50.80mm) |
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7070 81-45-16-0000UR 81 |
1,800 |
|
Datasheet | - | Bulk | Active | UR | - | 7070 | - | - | ±25% | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.755" (44.58mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
|
50ALL 81-45-16-0000UR 81 |
1,800 |
|
Datasheet | - | Bulk | Active | UR | - | 50ALL | - | - | ±25% | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.755" (44.58mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
|
|
7099 81-45-16-0000UR 81 |
1,800 |
|
Datasheet | - | Bulk | Active | UR | - | 7099 | - | - | ±25% | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.755" (44.58mm) | 3.197" (81.20mm) | 0.622" (15.80mm) |
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.