| PartNumber | MET-42 | MET-43 | MET-40 |
| Description | Audio Transformers / Signal Transformers AUDIO TRANSFORMER | Audio & Signal Transformers Transformers Audio & Signal Pri 120ohmCT 50mW Sec 3.2ohm | Audio & Signal Transformers Transformers Audio & Signal Pri 320ohmCT 50mW Sec 3.2ohm |
| Manufacturer | Tamura | Tamura | Tamura |
| Product Category | Audio Transformers / Signal Transformers | Audio Transformers | Audio Transformers |
| RoHS | Y | - | - |
| Product | Audio | Audio | Audio |
| Termination Style | Terminals | PC Pin | PC Pin |
| Frequency Range | 300 Hz to 100 kHz | - | - |
| Primary Impedance | 150 Ohms | 120 Ohm CT | 320 Ohm CT |
| Secondary Impedance | 12 Ohms | 3.2 Ohms | 3.2 Ohms |
| Isolation Voltage | 500 V | 500 V | 500 V |
| Minimum Operating Temperature | - 20 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Application | Ultra Wideband | Coupling Encapsulated | Coupling Encapsulated |
| Length | 10.4 mm | - | - |
| Width | 7.87 mm | - | - |
| Height | 11.8 mm | - | - |
| Series | MET | MET | MET |
| Packaging | Tube | - | - |
| Power Rating | 50 mW (1/20 W) | - | - |
| Primary Resistance | 20 Ohms | - | - |
| Secondary Resistance | 20 Ohms | - | - |
| Brand | Tamura | - | - |
| Product Type | Audio & Signal Transformers | - | - |
| Factory Pack Quantity | 50 | - | - |
| Subcategory | Transformers | - | - |
| Impedance | - | 120CT Primary, 3.2 Secondary | 320CT Primary, 3.2 Secondary |
| Mounting Type | - | Through Hole | Through Hole |
| Size Dimension | - | 10.40mm L x 7.87mm W | 10.40mm L x 7.87mm W |
| Current | - | 10mA DC | 6mA |
| Height Seated Max | - | 11.80mm | 11.80mm |
| Insertion Loss | - | - | - |
| Transformer Type | - | Data/Voice Coupling | Data/Voice Coupling |