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| Part Number | P18/11-3C81 |
| Datasheet | P18/11-3C81 datasheet |
| Description | CORES 2PC SET |
| Manufacturer | Ferroxcube |
| Series | - |
| Part Status | Obsolete |
| Core Type | P (Pot Core) |
| Inductance Factor (Al) | 4µH |
| Tolerance | ±25% |
| Gap | - |
| Effective Permeability (µe) | 18.40mm |
| Initial Permeability (µi) | P 18 x 11 |
| Material | Ungapped |
| Core Factor (ΣI/A) mm1 | 1900 |
| Effective Length (le) mm | - |
| Effective Area (Ae) mm² | 0.597 |
| Minimum Core Cross Section (Amin) mm² | 25.8 |
| Effective Magnetic Volume (Ve) mm³ | 43.3 |
| Finish | 36 |
| Supplier Device Package | 1120 |
| Height | Uncoated |
| Length | 10.60mm |
| Width | - |
| Diameter | - |