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Product Detailed Parameters
- Description：DIODE MODULE GEN PURP 600V 200A
- Series：-
- Mfr：SanRex Corporation
- Package：Tray
- Diode Configuration：1 Pair Common Cathode
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：600 V
- Current - Average Rectified (Io) (per Diode)：200A
- Voltage - Forward (Vf) (Max) @ If：1.4 V @ 400 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：200 ns
- Current - Reverse Leakage @ Vr：300 mA @ 600 V
- Operating Temperature - Junction：-40°C ~ 150°C
- Mounting Type：Chassis Mount
- Package / Case：Module
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The DKR400AB60 is a non-isolated, high-speed dual diode module manufactured by SanRex. It features a repetitive peak reverse voltage of 600 V and a DC reverse voltage of 480 V. The average forward current rating is 200 A per device, with a surge forward current capability of 7000 A (60 Hz) or 6250 A (50 Hz). The typical forward voltage drop is 1.2 V at 400 A, and the maximum reverse recovery time is 200 ns. The junction-to-case thermal resistance is 0.06 °C/W.
Feature Summary
- High-speed soft recovery design optimized for low loss and high-frequency switching applications.
- Dual common cathode configuration providing high surge current capability for robust power handling.
- Non-isolated construction suitable for direct mounting in high-power circuits.
Applications
- Switching Power Supplies
- Inverter Welding Power Supplies
- Telecommunication Power Systems
Procurement Notes
Verify component authenticity through authorized SanRex distributors or official channels. Confirm datasheet revision and manufacturing date codes upon receipt to ensure compliance with specified electrical ratings. Inspect terminals for torque specifications during installation to maintain thermal performance and mechanical integrity.
Selection Notes
Select this module for applications requiring fast recovery characteristics and high current density. Ensure the operating junction temperature remains within -55°C to +150°C limits. Verify that the cooling solution can handle the thermal impedance requirements for continuous 200 A operation.
Part Context
This component belongs to the DKR series of high-speed diode modules from SanRex. The series is engineered for power electronics demanding rapid switching speeds and high reliability. The dual configuration allows for use in bridge rectifiers or freewheeling applications within compact power modules.
Replacement Considerations
Consult official SanRex documentation for qualified substitute part numbers. Cross-referencing requires matching voltage, current, and recovery time specifications precisely.
FAQ
What is the maximum reverse recovery time for the DKR400AB60?
The maximum reverse recovery time (trr) is 200 ns when measured at an forward current of 400 A and a di/dt of 400 A/µs.
Is the DKR400AB60 an isolated module?
No, the DKR400AB60 is explicitly classified as a non-isolated type diode module.
What is the recommended mounting torque for the module terminals?
The recommended mounting torque for the module terminals is 2.5 to 3.9 N·m.
