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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
0077291A7KOOL MU 060 PERM BLACK 290 SIZE |
3,902 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.380" (9.65mm) | 32 nH | ±12% | Ungapped | - | 60 | - | 21.8 | 9.45 | - | 206.0 | Uncoated | 0.156" (3.96mm) | - | - |
|
|
0077280A7KOOL MU 125 PERM BLACK 280 SIZE |
3,121 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.380" (9.65mm) | 53 nH | ±12% | Ungapped | - | 125 | - | 21.8 | 7.52 | - | 164.0 | Uncoated | 0.125" (3.18mm) | - | - |
|
|
0077885A7KOOL MU 075 PERM BLACK 280 SIZE |
2,897 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.380" (9.65mm) | 32 nH | ±12% | Ungapped | - | 75 | - | 21.8 | 7.52 | - | 164.0 | Uncoated | 0.125" (3.18mm) | - | - |
|
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0077884A7KOOL MU 090 PERM BLACK 280 SIZE |
4,124 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.380" (9.65mm) | 38 nH | ±12% | Ungapped | - | 90 | - | 21.8 | 7.52 | - | 164.0 | Uncoated | 0.125" (3.18mm) | - | - |
|
|
0077414A7KOOL MU 090 PERM BLACK 410 SIZE |
2,929 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.270" (6.86mm) | 50 nH | ±12% | Ungapped | - | 90 | - | 16.5 | 7.25 | - | 120.0 | Uncoated | 0.200" (5.08mm) | - | - |
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0077410A7KOOL MU 125 PERM BLACK 410 SIZE |
1,274 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.270" (6.86mm) | 70 nH | ±12% | Ungapped | - | 125 | - | 16.5 | 7.25 | - | 120.0 | Uncoated | 0.200" (5.08mm) | - | - |
|
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0077282A7KOOL MU 026 PERM BLACK 280 SIZE |
4,585 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mµ | 0.380" (9.65mm) | 11 nH | ±8% | Ungapped | - | 26 | - | 22.0 | 7.52 | - | 164.0 | Uncoated | 0.125" (3.18mm) | - | - |
|
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0077290A7KOOL MU 125 PERM BLACK 290 SIZE |
2,101 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.380" (9.65mm) | 66 nH | ±12% | Ungapped | - | 125 | - | 21.8 | 9.45 | - | 206.0 | Uncoated | 0.156" (3.96mm) | - | - |
|
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0077835AYKOOL MU 075 PERM AY 030 SIZE |
3,750 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.310" (7.87mm) | 31 nH | ±12% | Ungapped | - | 75 | - | 17.9 | 5.99 | - | 107.0 | Uncoated | 0.125" (3.18mm) | - | - |
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0077381A7KOOL MU 060 PERM BLACK 380 SIZE |
3,448 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mµ | 0.680" (17.27mm) | 43 nH | ±8% | Ungapped | - | 60 | - | 41.4 | 23.2 | - | 960.0 | Uncoated | 0.250" (6.35mm) | - | - |
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0077281A7KOOL MU 060 PERM BLACK 280 SIZE |
4,990 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.380" (9.65mm) | 25 nH | ±12% | Ungapped | - | 60 | - | 21.8 | 7.52 | - | 164.0 | Uncoated | 0.125" (3.18mm) | - | - |
|
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0077384A7KOOL MU 090 PERM BLACK 380 SIZE |
1,606 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.680" (17.27mm) | 64 nH | ±8% | Ungapped | - | 90 | - | 41.4 | 23.2 | - | 960.0 | Uncoated | 0.250" (6.35mm) | - | - |
|
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0077385A7KOOL MU 075 PERM BLACK 380 SIZE |
4,063 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mu | 0.680" (17.27mm) | 53 nH | ±8% | Ungapped | - | 75 | - | 41.4 | 23.2 | - | 960.0 | Uncoated | 0.250" (6.35mm) | - | - |
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|
0077382A7KOOL MU 026 PERM BLACK 380 SIZE |
2,497 |
|
Datasheet | - | Bulk | Active | Toroid | - | Kool Mµ | 0.680" (17.27mm) | 19 nH | ±8% | Ungapped | - | 26 | - | 41.4 | 23.2 | - | 960.0 | Uncoated | 0.250" (6.35mm) | - | - |
|
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E18/4/10/R-3E6Ferrite Misc |
3,296 |
|
Datasheet | - | Bulk | Active | E | E 18 x 4 x 10 | 3E6 | - | 3.68 µH | ±25% | Ungapped | 6400.0 | 10000 | 0.498 | 20.3 | 35.9 | 35.9 | 830.0 | Uncoated | 0.157" (4.00mm) | 0.709" (18.00mm) | 0.394" (10.00mm) |
|
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RM6S/ILP-3C90FERRITE CORE RM 3C90 2PC SET |
3,991 |
|
Datasheet | - | Bulk | Active | RM | RM 6 | 3C90 | - | - | ±25% | Ungapped | 1470.0 | - | 0.58 | 21.8 | 37.5 | 31.2 | 820.0 | Uncoated | 0.354" (9.00mm) | 0.701" (17.90mm) | 0.323" (8.20mm) |
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FP43208ICI-CORE - FLAT BACK |
1,068 |
|
Datasheet | - | Bulk | Active | I | - | P | - | 7.745 µH | - | Ungapped | - | 2500 | - | 35.1 | 130.0 | 130.0 | 4560.0 | Uncoated | 0.125" (3.18mm) | 1.250" (31.75mm) | 0.800" (20.32mm) |
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FP43208ECE-CORE - FLAT BACK |
4,367 |
|
Datasheet | - | Bulk | Active | Planar E | - | P | - | 6.918 µH | - | Ungapped | - | 2500 | - | 41.4 | 130.0 | 130.0 | 5380.0 | Uncoated | 0.250" (6.35mm) | 1.250" (31.75mm) | 0.800" (20.32mm) |
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PJ40707UGEP CORE |
1,630 |
|
Datasheet | - | Bulk | Active | EP | - | J | - | 2.573 µH | - | Ungapped | - | 5000 | - | 15.5 | 10.7 | 8.55 | 165.0 | Uncoated | 0.291" (7.40mm) | 0.362" (9.20mm) | 0.250" (6.35mm) |
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CP43208ECE-CORE WITH CLIP SLOTS |
2,050 |
|
Datasheet | - | Bulk | Active | Planar E | - | P | - | 6.918 µH | - | Ungapped | - | 2500 | - | 41.4 | 130.0 | 130.0 | 5380.0 | Uncoated | 0.250" (6.35mm) | 1.250" (31.75mm) | 0.800" (20.32mm) |
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.