| PartNumber | B78476A8252A003 | B78476A8253A003 | B78476A8317A003 |
| Description | Audio Transformers / Signal Transformers 1000 BASE-T -40C+85C 2-PORT | Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT POE | Audio Transformers / Signal Transformers 1000 BASE-T 0C-70C 1-PORT |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | - |
| Product Category | Audio Transformers / Signal Transformers | Audio Transformers / Signal Transformers | - |
| RoHS | Y | Y | - |
| Product | LAN | LAN | - |
| Type | Module | Module | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Inductance | 350 uH | 350 uH | - |
| Minimum Operating Temperature | - 40 C | 0 C | - |
| Maximum Operating Temperature | + 85 C | + 70 C | - |
| Number of Channels | Dual | Single | - |
| Application | 1000 Base-T | 1000 Base-T PoE | - |
| Length | 27.69 mm | 17.6 mm | - |
| Width | 7.29 mm | 12.1 mm | - |
| Height | 8.41 mm | 5.7 mm | - |
| Series | B78476A | B78476A | - |
| Packaging | Reel | Reel | - |
| Brand | EPCOS / TDK | EPCOS / TDK | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Audio & Signal Transformers | Audio & Signal Transformers | - |
| Factory Pack Quantity | 350 | 350 | - |
| Subcategory | Transformers | Transformers | - |
| Part # Aliases | 3 B78476A8252A B78476A8252A003 B78476A8252A3 B82721A2501N001 | 3 B78476A8253A B78476A8253A003 B78476A8253A3 | - |
| Frequency Range | - | 100 kHz to 100 MHz | - |
| Isolation Voltage | - | 1.5 kV | - |
| Maximum DC Current | - | 8 mA | - |