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| Part Number: | B65857A0000R045 | 
| Category: | Magnetics - Transformer, Inductor Components | 
| Subcategory: | Ferrite Cores | 
| Manufacturer: | EPCOS - TDK Electronics | 
| Packaging: | Box | 
| Product Status: | Not For New Designs | 
| Core Type: | EPX | 
| Supplier Device Package: | EPX 7 x 9 | 
| Material: | N45 | 
| Diameter: | - | 
| Inductance Factor (Al): | 2.5 µH | 
| Tolerance: | -20%, +30% | 
| Gap: | Ungapped | 
| Effective Permeability (µe): | 1820 | 
| Initial Permeability (µi): | 3800 | 
| Core Factor (ΣI/A) mm-1: | 0.91 | 
| Effective Length (le) mm: | 15.7 | 
| Effective Area (Ae) mm²: | 17.2 | 
| Minimum Core Cross Section (Amin) mm²: | 13.9 | 
| Effective Magnetic Volume (Ve) mm³: | 270 | 
| Finish: | Uncoated | 
| Height: | 0.148" (3.75mm) | 
| Length: | 0.370" (9.40mm) | 
| Width: | 0.354" (9.00mm) |