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Product Detailed Parameters
- Description：DIODE MODULE GEN PURP 800V 200A
- Series：-
- Mfr：SanRex Corporation
- Package：Tray
- Diode Configuration：1 Pair Series Connection
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：800 V
- Current - Average Rectified (Io) (per Diode)：200A
- Voltage - Forward (Vf) (Max) @ If：1.3 V @ 620 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：50 mA @ 800 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 SanRex DD200KB80 is a silicon power diode module featuring an isolated mounting base and two series-connected chips. It supports a repetitive peak reverse voltage of 800 V and a non-repetitive peak reverse voltage of 960 V. The average forward current rating is 200 A at Tc=106°C, with a maximum forward voltage drop of 1.30 V at 620 A. Surge current capability reaches 5000 A for one cycle. Thermal impedance from junction to case is 0.17 °C/W. Operating junction temperature ranges from -40°C to +150°C.
Feature Summary
- Isolated mounting base allows for simple heatsink construction without additional insulation components.
- Two elements in a package facilitate straightforward single and three-phase bridge connections.
- High surge current capability ensures robustness against transient overloads.
Applications
- Various rectifier circuits
- Battery chargers
- DC motor drives
Procurement Notes
Verify the specific part number suffix against official datasheets to confirm voltage ratings, as the DD200KB series includes variants with different blocking voltages. Confirm isolation breakdown voltage requirements match application needs. Check thermal management specifications to ensure adequate heat dissipation for the rated current. Validate compliance with relevant safety standards such as UL recognition before integration.
Selection Notes
Select this component when an isolated diode module is required for high-current rectification applications. Ensure the system can handle the specified surge current of 5000 A. Verify that the operating temperature range fits within the -40°C to +150°C junction limits. Consider the physical dimensions and mounting torque requirements for mechanical integration into the design.
Part Context
This module belongs to the DD200KB series, which offers wide voltage ratings up to 1600 V. The series is designed for various rectifier circuits using highly reliable glass passivated chips. Other models in the series include DD200KB40, DD200KB120, and DD200KB160, providing options for different voltage levels while maintaining similar current capabilities.
Replacement Considerations
Direct substitutes are not explicitly listed in the provided documentation. When considering alternatives, ensure the replacement matches the 800 V reverse voltage, 200 A forward current, and isolated base configuration. Verify that thermal impedance and surge current ratings meet or exceed the original specifications.
