| PartNumber | B65811J0400J041 | B65811J0400A048 | B65811J0400A087 |
| Description | Ferrite Cores & Accessories RM8 N41 400 +5%-5% | Ferrite Cores & Accessories RM 8 N48 400 + 3%- 3% | Ferrite Cores & Accessories RM8 N87 400 +3%-3% |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Category | Ferrite Cores & Accessories | Ferrite Cores & Accessories | Ferrite Cores & Accessories |
| RoHS | Y | Y | Y |
| Series | B65811J | B65811J | B65811J |
| Product | Ferrite Cores | Ferrite Cores | Ferrite Cores |
| Type | Gapped | Gapped | Gapped |
| Core | RM Core | RM Core | RM Core |
| Core Size | RM 8 | RM 8 | RM 8 |
| Inductance | 400 nH | 400 nH | 400 nH |
| Tolerance | 5 % | 3 % | 3 % |
| Core Material | N41 | N48 | N87 |
| Packaging | Blister Card | - | Bulk |
| Brand | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Type | Ferrite Cores & Accessories | Ferrite Cores & Accessories | Ferrite Cores & Accessories |
| Factory Pack Quantity | 200 | 200 | 200 |
| Subcategory | Ferrites | Ferrites | Ferrites |
| Part # Aliases | 400J 41 B65811J B65811J400J41 | B65811J400A48 | 400A 87 B65811J B65811J400A87 |
| Inside Diameter | - | 9.8 mm | - |
| Maximum Operating Temperature | - | + 155 C | - |
| Outside Length | - | 14.3 mm | 23.2 mm |
| Impedance | - | - | - |
| Maximum DC Current | - | - | - |
| Maximum DC Resistance | - | - | - |
| Operating Temperature Range | - | - | - |
| Outside Diameter | - | - | - |
| Outside Height | - | - | - |
| Outside Width | - | - | 16.5 mm |
| Inside Height | - | - | - |
| Inside Length | - | - | - |
| Inside Width | - | - | - |
| Lead Diameter | - | - | - |
| Lead Spacing | - | - | - |
| Unit Weight | - | - | 0.176370 oz |