MET-10

Audio Transformers Overview

The Tamura MET-10 is a through-hole audio transformer designed for signal coupling applications. It features a primary impedance of 10kCT and a secondary impedance of 4kCT, resulting in a turns ratio of 1.58:1. The device operates within a frequency range of 300Hz to 100kHz with a frequency response of ±2dB. Electrical specifications include a primary DC resistance of 1 kΩ and a secondary DC resistance of 500 Ω. It provides 500VRMS isolation voltage at 30 seconds and supports a power level of 40mW. The component functions within a temperature range of -20°C to +85°C and measures 10.40mm x 7.87mm x 11.80mm.

Audio Transformers Feature Summary

• Provides electrical isolation between circuits via magnetic coupling
• Supports audio frequency signal transmission with defined impedance matching
• Utilizes through-hole mounting for PCB integration

Audio Transformers Applications

• Audio signal coupling in communication equipment
• Impedance matching in audio processing circuits
• Signal isolation in telecommunication interfaces

Audio Transformers Procurement Notes

Verify the specific manufacturer part number against official datasheets to ensure compatibility with circuit requirements. Confirm that the through-hole package dimensions and pin configuration match the target PCB layout. Check RoHS compliance status if environmental regulations apply to the final assembly. Ensure the operating temperature range aligns with the intended application environment.

Audio Transformers Selection Notes

Select this component when a 10kCT to 4kCT impedance transformation is required for audio signals. Consider the 300Hz to 100kHz frequency range suitability for the specific signal bandwidth. Evaluate the 40mW power handling capability against the circuit's signal levels. Verify that the physical size fits within the available board space constraints.

Audio Transformers Part Context

The MET-10 belongs to the MET series of audio transformers manufactured by Tamura. This series includes various models with different impedance ratios and winding configurations tailored for specific audio and signal processing needs. The MET-10 specifically addresses applications requiring a 1.58:1 turns ratio for standard audio line or telephone interface implementations.

Audio Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source documentation. Cross-reference with other manufacturers' offerings only if exact electrical parameters and mechanical dimensions are verified to be identical.