| PartNumber | HX1148 | HX1148NLT | HX1148NL |
| Description | Audio Transformers / Signal Transformers 100BaseTX SMD NonPoE 1-Port | Audio & Signal Transformers Transformers Audio & Signal XFMR EXT TMPH1012 | Audio & Signal Transformers Transformers Audio & Signal XFMR EXT TMPH1012 Pb FREE |
| Manufacturer | Pulse | Pulse Electronics Corporation | Pulse Electronics Corporation |
| Product Category | Audio Transformers / Signal Transformers | Pulse Transformers | Pulse Transformers |
| RoHS | N | - | - |
| Product | LAN | LAN | LAN |
| Type | Module | Module | Module |
| Termination Style | Pin | SMD/SMT | SMD/SMT |
| Frequency Range | 1 MHz to 100 MHz | - | 1 MHz to 100 MHz |
| Isolation Voltage | 1.5 kV | 1.5 kV | 1.5 kV |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Number of Channels | Single | Single | Single |
| Application | 10/100 Base-T | 10/100Base-T | 10/100Base-T |
| Length | 25.4 mm | 25.4 mm | 25.4 mm |
| Width | 12.83 mm | 9.91 mm | 12.83 mm |
| Height | 6.22 mm | 6.22 mm | 6.22 mm |
| Packaging | Tube | Digi-ReelR Alternate Packaging | Tube Alternate Packaging |
| Current Rating | 8 mA | - | - |
| Shielding | Unshielded | Unshielded | Unshielded |
| Brand | Pulse Electronics | - | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Audio & Signal Transformers | 10/100 Base-T single port transformer modules | 10/100 Base-T single port transformer modules |
| Factory Pack Quantity | 20 | - | - |
| Subcategory | Transformers | - | - |
| Unit Weight | 0.105822 oz | - | 0.105822 oz |
| Series | - | - | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - 40 C to + 85 C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Size Dimension | - | 25.40mm L x 9.91mm W | 25.40mm L x 9.91mm W |
| Height Seated Max | - | 6.22mm | 6.22mm |
| Transformer Type | - | Isolation and Data Interface (Encapsulated) | Isolation and Data Interface (Encapsulated) |
| Turns Ratio PrimarySecondary | - | 1CT : 1 Transmitter, 1CT : 1CT Receiver | 1CT : 1 Transmitter, 1CT : 1CT Receiver |
| Inductance | - | - | - |
| E T | - | - | - |
| Primary Impedance | - | 1 Ohms CT | - |
| Secondary Impedance | - | 1 Ohms | - |
| Primary Resistance | - | 1 Ohms | - |
| Secondary Resistance | - | 1 Ohms | - |