QRF1220R30

Overview

The Powerex QRF1220R30 is a super fast recovery dual diode module rated for 140 Amperes and 1200 Volts. It features an isolated metal baseplate with 2500V isolation voltage, enabling easy mounting on common heatsinks. The device offers low thermal impedance (0.15 °C/W junction-to-case) and operates within a junction temperature range of -40°C to 150°C. Key electrical characteristics include a maximum reverse leakage current of 1.0 mA at rated voltage and a typical reverse recovery time of 150 ns.

Feature Summary

• Super fast recovery time for high-speed switching applications
• Isolated metal baseplate design for simplified thermal management
• RoHS compliant construction
• Low thermal impedance for efficient heat dissipation

Applications

• Free wheeling circuits
• Welding machines
• Plasma cutting machines

Procurement Notes

Verify the specific datasheet revision against the manufacturer's official documentation before finalizing procurement decisions. Confirm that the requested quantity aligns with standard packaging configurations. Ensure that mounting torque specifications are strictly adhered to during installation to maintain mechanical integrity and thermal performance. Cross-reference part numbers to avoid confusion with similar series variants.

Selection Notes

Select this module for applications requiring robust high-current handling and rapid switching capabilities. Consider the 140A continuous current rating and 1200V blocking voltage when designing power stages. Evaluate the thermal resistance values to ensure adequate heatsinking is provided. Verify compatibility with existing circuit topologies, particularly regarding reverse recovery characteristics and forward voltage drops under expected load conditions.

Part Context

This component belongs to Powerex's Super Fast Recovery Dual Diode Modules series. These modules are engineered for demanding power electronics environments where fast switching speeds and high reliability are critical. The series utilizes advanced semiconductor technologies to minimize switching losses while maintaining high surge current capabilities.

Replacement Considerations

Consult official manufacturer substitution guides for verified equivalent parts. Ensure any replacement matches the electrical ratings, package dimensions, and thermal characteristics. Do not assume interchangeability based solely on nominal voltage or current ratings without verifying detailed specifications.

FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 150°C.

Does the module provide electrical isolation?

Yes, the module provides 2500V isolation voltage between the circuit and the baseplate.

What is the typical reverse recovery time?

The typical reverse recovery time is 150 ns at 100A.