DKR400CA60

Overview

The DKR400CA60 is a non-isolated, two-in-one fast recovery diode module manufactured by SanRex. It features a repetitive peak reverse voltage of 600 V and a DC reverse voltage of 480 V. The module supports a maximum forward current of 400 A per module (200 A per leg) at a case temperature of 105°C. Forward voltage drop is rated between 1.40 V and 1.60 V at 400 A. Reverse recovery time ranges from 120 ns to 200 ns under specified conditions. Operating junction temperature spans from -40°C to +150°C, with a storage temperature range of -40°C to +125°C. The unit weighs 71 g.

Feature Summary

• Utilizes the Techno Block Package for compact size and efficient heat dissipation through transfer molding and dual-side soldering.
• Provides enhanced power cycle reliability, exceeding five times that of previous product generations at a junction temperature of 100°C.
• Supports high-temperature operation up to a junction temperature of 150°C.

Applications

• Welding machines
• Plasma cutting machines
• Plating equipment

Procurement Notes

Verify component authenticity against official SanRex documentation before integration. Confirm mounting torque specifications for M6 terminals fall within the recommended range of 2.5 to 3.9 N·m. Ensure thermal interface materials are compatible with the specified operating temperature limits. Validate electrical parameters against application requirements using the provided datasheet curves.

Selection Notes

Select this module for applications requiring high-speed switching and robust thermal performance in non-isolated configurations. Consider the Techno Block Package benefits for designs prioritizing space efficiency and heat management. Evaluate the power cycle reliability improvements for systems subject to frequent thermal stress. Verify compatibility with welding, plasma cutting, or plating system architectures.

Part Context

This component belongs to the DKR series of non-isolated fast recovery diode modules produced by SanRex Corporation. The series utilizes proprietary packaging technology to enhance thermal conductivity and mechanical durability. These modules are engineered for industrial power electronics environments where rapid switching and high current handling are critical operational requirements.

Replacement Considerations

No public confirmed substitute part numbers are available in the source material.