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Product Detailed Parameters
- Description：DIODE MODULE GP 400V 100A SOT227
- Series：-
- Mfr：SanRex Corporation
- Package：Tube
- Diode Configuration：2 Independent
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io) (per Diode)：100A
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 100 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：110 ns
- Current - Reverse Leakage @ Vr：4 mA @ 400 V
- Operating Temperature - Junction：-40°C ~ 150°C
- Mounting Type：Chassis Mount
- Package / Case：SOT-227-4, miniBLOC
- Supplier Device Package：SOT-227
- Grade：-
- Qualification：-
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Overview
The SanRex DBA200WA40 is a dual soft recovery diode module in an isolated SOT-227 package. It supports a DC reverse voltage of 400 V and an average forward current of 100 A at 96°C case temperature. The surge forward current reaches 1000/1100 A (50/60Hz). Forward voltage drop is typically 1.10 V at 100 A, with a maximum reverse recovery time of 110 ns. Junction temperature ranges from -40°C to +150°C. Thermal resistance (junction-to-case) is 0.45°C/W. Isolation voltage is 2500 V RMS.
Feature Summary
- Dual diodes integrated within a single isolated SOT-227 package for compact design.
- Soft recovery characteristics with low reverse recovery time for high-speed control.
- Low forward voltage drop to minimize power loss during operation.
- High isolation voltage capability ensuring electrical safety.
Applications
- Switching power supplies
- Welding power supplies
- Communication power sources
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status directly with the manufacturer or authorized distributor before finalizing procurement. Confirm that the mounting torque specifications align with the mechanical constraints of the target assembly to ensure reliable thermal contact and structural integrity under operational conditions.
Selection Notes
Select this component when a dual-diode configuration with fast soft-recovery characteristics is required in a compact form factor. Ensure the application operates within the specified 100 A average forward current limit at the appropriate case temperature. Verify that the 400 V reverse voltage rating exceeds the peak inverse voltage expected in the circuit design.
Part Context
This part belongs to the SanRex DBA series of discrete semiconductor modules. It utilizes silicon technology and is designed for screw mounting. The module integrates two diodes into one unit, offering a solution for applications requiring dual rectification or freewheeling functions within a single isolated housing.
Replacement Considerations
Consult official SanRex documentation for verified substitute part numbers. Do not assume cross-compatibility with other manufacturers' modules without verifying pinout, thermal resistance, and electrical ratings against the original specification sheet.
