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| PartNumber | T1146 | T1146NLS | T1146NL |
| Description | Audio Transformers / Signal Transformers SMD T1/CEPT/ISDN-Pri 1000uH 1Ohm 2-Port | Audio & Signal Transformers Transformers Audio & Signal TRANSFORMER DUAL | |
| Manufacturer | PULSE | - | Pulse Electronics Corporation |
| Product Category | IC Chips | - | Pulse Transformers |
| Series | - | - | - |
| Product | - | - | LAN |
| Type | - | - | Module |
| Packaging | - | - | Tube Alternate Packaging |
| Termination Style | - | - | SMD/SMT |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Height | - | - | 6.22 mm |
| Length | - | - | 12.83 mm |
| Width | - | - | 7.11 mm |
| Mounting Type | - | - | Surface Mount |
| Size Dimension | - | - | 12.83mm L x 7.11mm W |
| Number of Channels | - | - | Dual |
| Height Seated Max | - | - | 6.22mm |
| Transformer Type | - | - | T1/E1 (Dual) |
| Turns Ratio PrimarySecondary | - | - | 1 : 2/2.4, 1 : 0.79/1 |
| Inductance | - | - | 1mH, 1mH |
| E T | - | - | - |
| Application | - | - | T1/CEPT/ISDN-Pri |
| Isolation Voltage | - | - | 1.5 kV |
| Primary Impedance | - | - | 0.8 Ohms 0.8 Ohms |