DA102C

Overview

The DA102C is a digital audio pulse transformer manufactured by Murata Power Solutions Inc. It features a 1:1 turns ratio and a primary inductance of 3.9 mH. The component provides an isolation voltage rating of 2000 Vrms. It is designed for through-hole mounting with four terminals. This transformer supports a volt-time product of 20 Vµs, ensuring reliable signal transmission in digital audio applications.

Feature Summary

• Provides galvanic isolation between circuit sections via magnetic coupling
• Designed specifically for digital audio signal transmission integrity
• Features a robust 2000 Vrms insulation rating for safety compliance

Applications

• Digital audio interface circuits
• Audio signal isolation stages
• Professional audio equipment interfaces

Procurement Notes

Verify the specific suffix (e.g., -R) against the datasheet to confirm packaging and terminal configuration. Confirm RoHS and REACH compliance status directly from the manufacturer's documentation before integration. Ensure the through-hole footprint matches the PCB design requirements. Check for any recent lifecycle changes or obsolescence notices from Murata Power Solutions.

Selection Notes

Select this component when a 1:1 ratio and 3.9 mH inductance are required for digital audio paths. The 2000 Vrms isolation rating suits high-voltage separation needs. Consider the through-hole package for mechanical stability. Evaluate the 20 Vµs volt-time capability against the maximum signal amplitude and duration expected in the application circuit.

Part Context

This part belongs to the audio transformer family from Murata Power Solutions. It serves as a critical interface component for maintaining signal integrity while providing electrical isolation. The design focuses on meeting the stringent requirements of digital audio standards.

Replacement Considerations

Public confirmed substitute part numbers only; omit otherwise.