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| PartNumber | B65877AR87 | B65877AR95 | B65877AR97 |
| Description | Ferrite Core PQ Core N87 4500nH -20% to 30% | Ferrite Core PQ Core 12mm General Application (Alt: B65877A0000R095) | PQ 26/25 N97 4650 +30%-20% (Alt: B65877A0000R097) |
| Manufacturer | EPCOS (TDK) | - | - |
| Product Category | Ferrite Cores | - | - |
| Material | N87 | - | - |
| Series | B65877A | - | - |
| Height | 12.38mm | - | - |
| Length | 26.50mm | - | - |
| Width | 19.00mm | - | - |
| Supplier Device Package | PQ 26 x 25 | - | - |
| Tolerance | -20%, +30% | - | - |
| Core Type | PQ | - | - |
| Diameter | - | - | - |
| Inductance Factor Al | 4.5μH | - | - |
| Gap | Ungapped | - | - |
| Effective Permeability μe | 1550 | - | - |
| Initial Permeability μi | 2200 | - | - |
| Core Factor ΣI A mm 1 | 0.44 | - | - |
| Effective Length le mm | 53.6 | - | - |
| Effective Area Ae mm2 | 122 | - | - |
| Minimum Core Cross Section Amin mm2 | 108.7 | - | - |
| Effective Magnetic Volume Ve mm3 | 6530 | - | - |
| Finish | Uncoated | - | - |