FRS150BA50

Overview

The SanRex FRS150BA50 is a high-speed isolated diode module designed for high-power switching applications. It features a repetitive peak reverse voltage of 500 V and a DC reverse voltage of 400 V. The average forward current rating is 150 A at Tc=85°C, with a surge forward current capability of 3000 A. Key electrical characteristics include a maximum reverse recovery time of 200 ns and a typical thermal impedance from junction to case of 0.33 °C/W.

Feature Summary

• High-speed fast recovery design optimized for low loss and high-frequency control.
• Isolated mounting base providing an isolation breakdown voltage of 2500 V RMS.
• High surge current capability supporting demanding transient loads.

Applications

• Inverter welding power supplies
• Telecommunication power supplies
• Various switching power supplies

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with the manufacturer or authorized distributor before procurement. Confirm that the screw mounting torque requirements (2.5-3.9 N·m) are met during installation to ensure reliable electrical contact and mechanical stability. Check for any updated environmental declarations or material composition statements required by your supply chain standards.

Selection Notes

Select this component when designing circuits requiring fast recovery characteristics and high current handling in a compact isolated package. Ensure the operating junction temperature remains within the -40°C to +150°C range. Verify that the thermal management system can maintain the case temperature below 85°C to sustain the full 150 A continuous current rating without exceeding the maximum thermal limits.

Part Context

This part belongs to the FRS series of discrete semiconductor modules manufactured by SanRex Corporation. These modules utilize silicon technology and are packaged in trays for industrial distribution. The FRS series is specifically engineered for power electronics applications where rapid switching speeds and robust surge handling are critical for system efficiency and reliability.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.