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A397PB
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Product Detailed Parameters
- Description：DIODE STANDARD 1200V 400A
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1200 V
- Current - Average Rectified (Io)：400A
- Voltage - Forward (Vf) (Max) @ If：-
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：-
- Capacitance @ Vr, F：-
- Mounting Type：Clamp On
- Package / Case：DO-200AA, A-PUK
- Supplier Device Package：-
- Operating Temperature - Junction：-40°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The Powerex A397PB is a general-purpose silicon rectifier diode rated for 1200 V DC reverse voltage and 400 A average forward current. It utilizes a rugged glazed ceramic hermetic package (DO-200AA) designed for high-reliability applications. The device features soft recovery characteristics with low recovery charge, minimizing switching losses and electromagnetic interference in high-frequency circuits operating up to 20,000 Hz.
Feature Summary
- Soft recovery profile with low recovery charge for efficient high-frequency operation
- Rugged glazed ceramic hermetic package ensuring environmental stability
- All-diffused silicon construction for robust performance
Applications
- High-frequency power conversion systems
- Industrial rectifier bridges
- High-voltage DC transmission components
Procurement Notes
Verify the specific suffix PB against official Powerex documentation to confirm exact electrical tolerances and pinout configurations. Ensure compatibility with existing thermal management solutions due to the high current rating. Confirm RoHS compliance status if required by project specifications. Cross-reference datasheet revisions to ensure parameter consistency.
Selection Notes
Select this component for applications requiring high surge capability and reliable hermetic sealing. Evaluate thermal resistance requirements carefully given the 400 A rating. Consider the DO-200AA form factor for mounting constraints. Verify that the 1200 V reverse voltage provides adequate margin for transient spikes in the target circuit design.
Part Context
Part of the A397 series from Powerex Inc., designed for demanding industrial environments. The series emphasizes durability and consistent performance under high stress conditions. This specific model represents a standard configuration within the lineup, balancing voltage blocking capability with substantial current handling capacity.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure any replacement matches the DO-200AA package dimensions and hermetic seal requirements. Verify equivalent voltage and current ratings before substitution.
