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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B65805N0250A048FERRITE CORE RM 250NH N48 2PCS EPCOS - TDK Electronics |
1,454 |
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![]() Datasheet |
RM5 | Box | Active | RM | RM 5 | N48 | - | 250 nH | ±3% | Gapped | 199.0 | - | 1.0 | 20.8 | 20.8 | - | 433.0 | Uncoated | 0.207" (5.25mm) | 0.575" (14.60mm) | 0.268" (6.80mm) |
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B65807N0250A048FERRITE CORE RM 250NH N48 2PCS EPCOS - TDK Electronics |
3,278 |
|
![]() Datasheet |
RM6 | Box | Active | RM | RM 6 | N48 | - | 250 nH | ±3% | Gapped | 171.0 | - | 0.86 | 26.9 | 31.3 | - | 840.0 | Uncoated | 0.246" (6.25mm) | 0.701" (17.90mm) | 0.323" (8.20mm) |
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B64290L0058X830FERRITE CORE TOROID 4.36UH N30 EPCOS - TDK Electronics |
1,665 |
|
![]() Datasheet |
TX34/20.5/10 | Tray | Active | Toroid | - | N30 | 1.397" (35.50mm) | 4.36 µH | ±25% | Ungapped | - | 4300 | 1.24 | 82.06 | 66.08 | - | 5423.0 | Epoxy | 0.437" (11.10mm) | - | - |
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B65813J0000R087FERRITE CORE RM 4.2UH N87 2PCS EPCOS - TDK Electronics |
1,045 |
|
![]() Datasheet |
RM10 | Box | Active | RM | RM 10 | N87 | - | 4.2 µH | -20%, +30% | Ungapped | 1500.0 | 2200 | 0.45 | 44.0 | 98.0 | 90.0 | 4310.0 | Uncoated | 0.368" (9.35mm) | 1.122" (28.50mm) | 0.531" (13.50mm) |
|
B65511A0100A048FERRITE CORE P 100NH N48 2PCS EPCOS - TDK Electronics |
2,741 |
|
![]() Datasheet |
P7/4 | Box | Active | P (Pot Core) | P 7 x 4 | N48 | 0.289" (7.35mm) | 100 nH | ±3% | Gapped | 114.0 | - | 1.43 | 10.0 | 7.0 | - | 70.0 | Uncoated | 0.083" (2.10mm) | - | - |
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B65811D0250A048FERRITE CORE RM 250NH N48 2PCS EPCOS - TDK Electronics |
771 |
|
![]() Datasheet |
RM8 | Box | Active | RM | RM 8 | N48 | - | 250 nH | ±3% | Gapped | 134.0 | - | 0.68 | 35.1 | 52.0 | - | 1825.0 | Uncoated | 0.324" (8.25mm) | 0.913" (23.20mm) | 0.433" (11.00mm) |
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B66383G0000X187FERRITE CORE E N87 1PC EPCOS - TDK Electronics |
637 |
|
![]() Datasheet |
E47/20/16 | Box | Active | E | E 47 x 20 x 16 | N87 | - | - | - | Ungapped | - | - | - | - | - | - | - | Uncoated | 0.772" (19.60mm) | 1.846" (46.90mm) | 0.614" (15.60mm) |
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B66335G0000X187FERRITE CORE E N87 1PC EPCOS - TDK Electronics |
274 |
|
![]() Datasheet |
E55/28/21 | Box | Active | E | E 55 x 28 x 21 | N87 | - | - | - | Ungapped | - | - | - | - | - | - | - | Uncoated | 1.094" (27.80mm) | 2.165" (55.00mm) | 0.827" (21.00mm) |
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B65651T0250A048FERRITE CORE P 250NH N48 2PCS EPCOS - TDK Electronics |
1,242 |
|
![]() 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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B65651T0400A048FERRITE CORE P 400NH N48 2PCS EPCOS - TDK Electronics |
677 |
|
![]() Datasheet |
P18/11 | Box | Active | P (Pot Core) | P 18 x 11 | N48 | 0.724" (18.40mm) | 400 nH | ±3% | Gapped | 192.0 | - | 0.6 | 25.9 | 43.0 | - | 1114.0 | Uncoated | 0.209" (5.30mm) | - | - |