| PartNumber | B66381G0000X172 | B66381G0000X187 | B66381G0000X127 |
| Description | Ferrite Cores & Accessories E 40/16/12 N72 4600 +30%-20% | EMI/RFI Suppressors & Ferrites Ferrite Cores & Accessories E40/16/12 N87OL | EMI/RFI Suppressors & Ferrites Ferrite Cores & Accessories E40/16/12 N27OL |
| Manufacturer | EPCOS / TDK | - | - |
| Product Category | Ferrite Cores & Accessories | - | - |
| RoHS | Y | - | - |
| Series | B66381G | - | - |
| Product | Ferrite Cores | - | - |
| Type | Ungapped | - | - |
| Core | E Core | - | - |
| Core Size | 40 x 16 x 12 | - | - |
| Inductance | 4.6 uH | - | - |
| Tolerance | - 20 %, + 30 % | - | - |
| Core Material | N72 | - | - |
| Packaging | Bulk | - | - |
| Brand | EPCOS / TDK | - | - |
| Product Type | Ferrite Cores & Accessories | - | - |
| Factory Pack Quantity | 208 | - | - |
| Subcategory | Ferrites | - | - |
| Part # Aliases | B66381G B66381GX172 X172 | - | - |