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| Image | ![]() |
| Part Number | PC40RM4Z-12-NN |
| Manufacturer | TDK Corporation |
| Series | RM |
| Packaging | Bulk |
| Product Status | Obsolete |
| Core Type | RM |
| Supplier Device Package | RM 4 |
| Material | PC40 |
| Diameter | - |
| Inductance Factor (Al) | 680 nH |
| Tolerance | - |
| Gap | Ungapped |
| Effective Permeability (µe) | 877.0 |
| Initial Permeability (µi) | 2300 |
| Core Factor (ΣI/A) mm⁻¹ | 1.62 |
| Effective Length (le) mm | 22.7 |
| Effective Area (Ae) mm² | 14.0 |
| Minimum Core Cross Section (Amin) mm² | 10.8 |
| Effective Magnetic Volume (Ve) mm³ | 318.0 |
| Finish | Uncoated |
| Height | 0.205" (5.20mm) |
| Length | 0.425" (10.80mm) |
| Width | 0.175" (4.45mm) |
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