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| PartNumber | 150J011 | 150J021 | 150J022 |
| Description | Audio & Signal Transformers Transformers Audio & Signal VOICE TRANSFER | Audio & Signal Transformers Transformers Audio & Signal VOICE TRANSFER | Audio & Signal Transformers Transformers Audio & Signal VOICE TRANSFER |
| Manufacturer | Hammond Manufacturing | Hammond Manufacturing | Hammond Manufacturing |
| Product Category | Audio Transformers | Audio Transformers | Audio Transformers |
| Series | 150 | 150 | 150 |
| Product | Audio | Audio | Audio |
| Termination Style | PC Pin | PC Pin | PC Pin |
| Impedance | 600 Primary, 600 Secondary | 600 Primary, 600 Secondary | 600 Primary, 600 Secondary |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Size Dimension | 24.26mm L x 17.40mm W | 20.32mm L x 18.29mm W | 20.32mm L x 18.29mm W |
| Current | - | - | 80mA |
| Height Seated Max | 12.70mm | 18.54mm | 18.54mm |
| Shielding | Unshielded | Unshielded | Unshielded |
| Insertion Loss | ±2dB | 1.5dB Typ. | 2dB Typ. |
| Transformer Type | Voice | Voice | Voice |
| Application | Voice | Voice | Voice |
| Primary Impedance | 600 Ohm CT | 600 Ohm CT | 600 Ohm CT |
| Secondary Impedance | 600 Ohm CT | 600 Ohm CT | 600 Ohm CT |
| Primary Resistance | 34 Ohms | 45 Ohms | 47 Ohms |
| Secondary Resistance | 47 Ohms | 60 Ohms | 63 Ohms |