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| Part Number | B66421U0250K187 |
| Datasheet | B66421U0250K187 datasheet |
| Description | FERRITE CORE EFD N87 1PC |
| Manufacturer | EPCOS (TDK) |
| Series | B66421 |
| Part Status | Active |
| Core Type | EFD |
| Inductance Factor (Al) | - |
| Tolerance | - |
| Gap | N87 |
| Effective Permeability (µe) | - |
| Initial Permeability (µi) | EFD 25 x 13 x 9 |
| Material | Gapped |
| Core Factor (ΣI/A) mm1 | - |
| Effective Length (le) mm | - |
| Effective Area (Ae) mm² | - |
| Minimum Core Cross Section (Amin) mm² | - |
| Effective Magnetic Volume (Ve) mm³ | - |
| Finish | - |
| Supplier Device Package | - |
| Height | Uncoated |
| Length | 12.50mm |
| Width | 25.00mm |
| Diameter | 9.10mm |