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| PartNumber | HX1234NLT | HX1234 | HX1234NL |
| Description | Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 4-Port | Audio & Signal Transformers Transformers Audio & Signal EXT TMP OF H1164 | Audio & Signal Transformers Transformers Audio & Signal EXT TMP OF H1164 |
| Manufacturer | Pulse | Pulse Electronics Corporation | PULSE |
| Product Category | Audio Transformers / Signal Transformers | Pulse Transformers | Pulse Transformers |
| RoHS | Y | - | - |
| Product | LAN | LAN | LAN |
| Type | Module | Module | Module |
| Termination Style | SMD/SMT | Pin | SMD/SMT |
| Frequency Range | 100 kHz to 100 MHz | 100 kHz to 100 MHz | 100 kHz to 100 MHz |
| Inductance | 350 uH | - | - |
| Isolation Voltage | 1.5 kV | 1.5 kV | 1.5 kV |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Number of Channels | 4 Channel | Single | Single |
| Application | 100 Base-TX | 100Base-TX | 100Base-TX |
| Length | 28.58 mm | 28.58 mm | 28.58 mm |
| Width | 12.19 mm | 16 mm | 16 mm |
| Height | 0.28 mm | 7.11 mm | 5.84 mm |
| Packaging | Reel | Bulk | Tube Alternate Packaging |
| Shielding | Unshielded | Unshielded | Unshielded |
| Brand | Pulse Electronics | - | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Audio & Signal Transformers | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | Transformers | - | - |
| Series | - | - | - |
| Unit Weight | - | 0.169315 oz | - |
| Qualification | - | Commercial | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - 40 C to + 85 C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Size Dimension | - | - | 28.58mm L x 12.19mm W |
| Height Seated Max | - | - | 7.36mm |
| Transformer Type | - | - | Isolation and Data Interface (Encapsulated) |
| Turns Ratio PrimarySecondary | - | 1CT : 1CT | 1CT : 1CT |
| E T | - | - | - |
| Package Case | - | SOIC-40 | - |