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A437PE
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Product Detailed Parameters
- Description：DIODE STANDARD 1500V 600A
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1500 V
- Current - Average Rectified (Io)：600A
- Voltage - Forward (Vf) (Max) @ If：-
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：3.5 µs
- Current - Reverse Leakage @ Vr：-
- Capacitance @ Vr, F：-
- Mounting Type：Clamp On
- Package / Case：DO-200AB, B-PUK
- Supplier Device Package：-
- Operating Temperature - Junction：-40°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The Powerex A437PE is a general-purpose rectifier diode designed for high-current applications. It features an average rectified current of 600 A and a maximum repetitive peak reverse voltage of 1.5 kV. The device exhibits a fast reverse recovery time of 3.5 µs, making it suitable for efficient power conversion. It operates within a junction temperature range up to 125 °C and is housed in the DO-200AB (B-PUK) package.
Feature Summary
- High current handling capability with 600 A average rectified current rating
- Fast switching performance characterized by 3.5 µs reverse recovery time
- Robust voltage blocking with 1.5 kV repetitive peak reverse voltage
- Durable construction supporting operation at temperatures up to 125 °C
Applications
- Industrial power supplies requiring high current rectification
- Welding equipment power stages
- DC motor drive systems
- General purpose high-power rectification circuits
Procurement Notes
Verify the specific suffix B-PUK against the manufacturer's latest datasheet to confirm exact physical dimensions and terminal plating specifications. Ensure that the DO-200AB package compatibility matches the intended heatsink or mounting infrastructure. Confirm compliance status regarding lead-free requirements if applicable to the target assembly process.
Selection Notes
Select this component when circuit design demands a single-phase rectifier capable of sustaining 600 A continuous load. The 1.5 kV rating provides sufficient margin for standard industrial AC line voltages. Consider the thermal management requirements associated with the DO-200AB package to maintain junction temperature below the 125 °C limit under full load conditions.
Part Context
Powerex specializes in high-power semiconductor devices, particularly thyristors and diodes for heavy industrial use. The A437PE belongs to their general-purpose rectifier lineup, engineered for reliability in demanding environments. This part represents a standard solution for converting AC to DC in high-amperage applications where robustness and speed are critical.
Replacement Considerations
Consult official cross-reference guides for equivalent DO-200AB packages with matching 600 A and 1.5 kV ratings. Verify that any substitute maintains the 3.5 µs reverse recovery time specification to ensure circuit stability.
