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| PartNumber | HM1188FNLT | HM1188FNL | HM1188NL |
| Description | Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port | Audio Transformers / Signal Transformers 100Base-T NonPoE 1-Port SMD Auto | Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 350uH 1-Port |
| Manufacturer | Pulse | Pulse | Pulse |
| Product Category | Audio Transformers / Signal Transformers | Audio Transformers / Signal Transformers | Audio Transformers / Signal Transformers |
| RoHS | Y | Y | Y |
| Product | LAN | Automotive | LAN |
| Type | SMT Transformers | Module | Module |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Frequency Range | 200 MHz | - | 1 MHz to 200 MHz |
| Primary Impedance | - | - | - |
| Secondary Impedance | - | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 105 C |
| Length | 12.7 mm | - | - |
| Width | 9.09 mm | - | - |
| Packaging | Reel | Tube | Tube |
| Brand | Pulse Electronics | Pulse Electronics | Pulse Electronics |
| Product Type | Audio & Signal Transformers | Audio & Signal Transformers | Audio & Signal Transformers |
| Factory Pack Quantity | 600 | 480 | 40 |
| Subcategory | Transformers | Transformers | Transformers |
| Inductance | - | 350 uH | 350 uH |
| Isolation Voltage | - | 1.5 kV | 1.5 kV |
| Number of Channels | - | 1 Channel | 1 Channel |
| Shielding | - | Unshielded | Unshielded |