MET-11

Audio Transformers Overview

The Tamura MET-11 is a through-hole audio transformer designed for data and voice coupling applications. It features a primary impedance of 10kCT ohms and a secondary impedance of 2kCT ohms, resulting in a turns ratio of 2.23:1. The device operates within a frequency range of 300Hz to 100kHz with a response accuracy of ±2dB. Electrical specifications include a primary DC resistance of 1k ohm and a secondary DC resistance of 300 ohms. It supports an isolation voltage of 500VRMS at 30 seconds and handles a power level of 40mW. The component measures 10.40mm x 7.87mm x 11.80mm max.

Audio Transformers Feature Summary

• Provides electrical isolation and impedance matching between circuits via a 2.23:1 turns ratio.
• Supports wideband audio signal transmission across the 300Hz to 100kHz frequency spectrum.
• Ensures circuit safety with 500VRMS isolation voltage capability.
• Designed for reliable operation within industrial temperature ranges from -20°C to 85°C.

Audio Transformers Applications

• Voice communication systems requiring signal coupling
• Data transmission interfaces utilizing audio transformers
• Impedance matching in professional audio equipment

Audio Transformers Procurement Notes

Verify that the specific order matches the MET-11 part number to ensure correct impedance values. Confirm that the through-hole mounting style fits the target PCB layout dimensions. Check that the operating temperature range aligns with the environmental conditions of the final assembly. Ensure compatibility with the required isolation voltage standards for the application.

Audio Transformers Selection Notes

Select this component when a 10kCT to 2kCT impedance transformation is required for audio or data signals. Consider the physical size constraints as it utilizes a through-hole package. Evaluate the frequency response requirements against the 300Hz to 100kHz specification. Verify that the power handling capacity meets the signal levels present in the circuit design.

Audio Transformers Part Context

The MET-11 belongs to the MET series of audio transformers manufactured by Tamura. This series focuses on providing robust signal coupling solutions for various electronic applications. The component is actively produced and available for integration into new designs. It represents a standard solution for impedance matching in voice and data transmission contexts.

Audio Transformers Replacement Considerations

Public confirmed substitute part numbers are not explicitly documented in the provided source material. Cross-reference with other Tamura models in the MET series if similar specifications are needed. Verify pinout and dimensional compatibility before considering alternative suppliers.

Audio Transformers FAQ

What is the frequency response accuracy of the MET-11?

The frequency response is specified as ±2dB within its operational range.

Does the MET-11 support high-voltage isolation?

Yes, it provides 500VRMS isolation voltage for 30 seconds.