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A430D
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Product Detailed Parameters
- Description：DIODE STD 400V 1000A DO200AB
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：1000A
- Voltage - Forward (Vf) (Max) @ If：1.42 V @ 3140 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：10 µs
- Current - Reverse Leakage @ Vr：50 mA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Clamp On
- Package / Case：DO-200AB, B-PUK
- Supplier Device Package：DO-200AB, B-PUK
- Operating Temperature - Junction：-
- Grade：-
- Qualification：-
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Overview
The Powerex A430D is a standard recovery rectifier diode designed for high-current applications. It features a maximum DC reverse voltage of 400V and an average rectified forward current of 1000A. The device utilizes a DO-200AB (B-PUK) clamp-on package, suitable for panel mounting. Key electrical characteristics include a maximum forward voltage of 1.42V at 3140A and a reverse recovery time of 3.5µs. It operates within a junction temperature range of -40°C to 125°C.
Feature Summary
- High current handling capability with 1000A average rectified current rating
- Low forward voltage drop to minimize conduction losses
- Robust clamp-on mechanical design for secure installation
Applications
- Industrial power supplies
- Welding equipment
- Motor drives
Procurement Notes
Verify the specific datasheet version from Powerex Inc. to confirm exact thermal resistance values and pinout configurations. Ensure the ordering suffix matches the required packaging or testing criteria. Cross-reference the manufacturer part number A430D with authorized distributors to validate authenticity and compliance with RoHS3 standards before finalizing procurement.
Selection Notes
Select this component for circuits requiring high surge current tolerance and robust mechanical stability. The clamp-on package facilitates easy integration into existing busbar systems. Consider the 400V blocking voltage and 1000A continuous current limits when designing thermal management solutions to ensure reliable operation under peak load conditions.
Part Context
This discrete rectifier belongs to Powerex's general-purpose diode lineup, engineered for durability in demanding environments. The A430D variant specifically targets applications needing high efficiency and low forward voltage characteristics. It serves as a critical component in power conversion stages where reliability and high current capacity are paramount.
Replacement Considerations
Consult official substitution guides for equivalent high-current clamp-on diodes. Verify that any alternative part meets the 400V reverse voltage and 1000A current requirements while maintaining compatible package dimensions for direct replacement.
