Ferrite Cores
Browse available Ferrite Cores components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| Photo | Mfr. Part # | Availability | Price | 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) | - | - |
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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) | - | - |
|
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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) | - | - |
|
|
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) | - | - |
|
|
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) | - | - |
|
|
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 | - |
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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) |
|
|
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) |
Ferrite Cores FAQ
What Ferrite Cores components can I source from EGOO?
You can browse available Ferrite Cores product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete Ferrite Cores parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.
