| PartNumber | B64290P0739X057 | B64290P0732X038 | B64290P0739X046 |
| Description | Ferrite Toroids / Ferrite Rings 3.05X1.27X2.54T57 TOROID | Ferrite Toroids / Ferrite Rings 3.94X1.78X1.78T38 TOROID | Ferrite Toroids / Ferrite Rings R3,05X1,27X2,54T46 |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | - |
| Product Category | Ferrite Toroids / Ferrite Rings | Ferrite Toroids / Ferrite Rings | - |
| RoHS | Y | Y | - |
| Product Type | Ferrite Toroids / Ferrite Rings | Ferrite Toroids / Ferrite Rings | - |
| Product | Toroids | Toroids | - |
| Inside Diameter | 1.27 mm | 1.78 mm | - |
| Outside Diameter | 3.05 mm | 3.94 mm | - |
| Outside Height | 2.54 mm | 1.78 mm | - |
| Series | B64290P | B64290P | - |
| Packaging | Bulk | Bulk | - |
| Core Material | T57 | T38 | - |
| Inductance | 1.7 uH | 2.83 uH | - |
| Type | Ring Core | Ring Core | - |
| Brand | EPCOS / TDK | EPCOS / TDK | - |
| Factory Pack Quantity | 16000 | 16000 | - |
| Subcategory | Ferrites | Ferrites | - |
| Part # Aliases | 57 739X B64290P B64290P739X57 | 38 732X B64290P B64290P732X38 | - |