DR12-C321

Switching Converter, SMPS Transformers Overview

The DR12-C321 is a board-mount flyback transformer manufactured by Mitsumi Electric Company Ltd, designed for switched-mode power supply applications. It features an isolation voltage of 3kV and specific winding resistance values of 70mOhm on pins 2-4 and 1200mOhm on pins 7-9. The component measures 16.45mm in length, 16mm in width, and 6.8mm in height, providing compact integration for power conversion circuits requiring galvanic isolation.

Switching Converter, SMPS Transformers Feature Summary

• Provides electrical isolation for switched-mode power supply topologies
• Engineered for board-mount installation to support compact power designs
• Utilizes flyback architecture for energy storage and transfer

Switching Converter, SMPS Transformers Applications

• Switched-mode power supply (SMPS) circuits
• Isolated DC-DC converter designs
• Power adapter internal components

Switching Converter, SMPS Transformers Procurement Notes

Verify the exact part number against official Mitsumi Electric datasheets to confirm pinout configuration and winding resistance specifications. Ensure that the required isolation voltage and physical footprint align with the target PCB layout constraints before finalizing procurement decisions.

Switching Converter, SMPS Transformers Selection Notes

Select this component based on the need for a compact flyback transformer with defined isolation characteristics. Evaluate the specific winding resistance requirements for primary and secondary sides to ensure compatibility with the intended power management controller and efficiency targets.

Switching Converter, SMPS Transformers Part Context

Mitsumi Electric Company Ltd specializes in diverse electronic components, including passive elements and sensors. The DR12 series represents their range of switching converter transformers, focusing on reliability and standard form factors for industrial and consumer electronics power stages.

Switching Converter, SMPS Transformers Replacement Considerations

Consult official manufacturer substitution lists or cross-reference databases for confirmed equivalent part numbers from Mitsumi Electric. Do not assume functional interchangeability with other brands without verifying electrical parameters and mechanical dimensions.