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70UR120D
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Product Detailed Parameters
- Description：DIODE STD 1200V 250A DO205AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1200 V
- Current - Average Rectified (Io)：250A
- Voltage - Forward (Vf) (Max) @ If：1.3 V @ 785 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：60 mA @ 1200 V
- Capacitance @ Vr, F：-
- Mounting Type：Stud Mount
- Package / Case：DO-205AB, DO-9, Stud
- Supplier Device Package：DO-205AB (DO-9)
- Operating Temperature - Junction：-40°C ~ 200°C
- Grade：-
- Qualification：-
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Overview
The 70UR120D is a high-power standard diode manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum DC reverse voltage of 1200V and an average rectified current rating of 250A. The device exhibits a maximum forward voltage drop of 1.3V at a forward current of 785A. Reverse leakage current is specified as 60mA at the rated reverse voltage. The component utilizes a DO-205AB stud package for mounting and operates within a junction temperature range of -40°C to 200°C.
Feature Summary
- High current handling capability with 250A average rectified current rating
- High voltage blocking performance up to 1200V DC reverse voltage
- Extended thermal operation range supporting junction temperatures up to 200°C
- Robust stud mount construction for efficient heat dissipation
Applications
- Industrial power conversion systems
- High-voltage rectifier circuits
- Heavy-duty motor drive applications
- Power supply units requiring high current output
Procurement Notes
Verify the specific datasheet version for the 70UR120D to confirm exact electrical tolerances and mechanical dimensions before integration. Ensure that the mounting surface preparation and torque specifications align with Vishay's recommendations for the DO-205AB package to maintain thermal integrity and electrical reliability under high-current conditions.
Selection Notes
Select this component when designing circuits requiring high voltage isolation combined with substantial continuous current capacity. The 1200V rating provides sufficient margin for industrial line voltages, while the 250A current rating supports heavy loads. Consider the stud package requirements for proper heatsinking infrastructure during the mechanical design phase.
Part Context
This part belongs to Vishay's general-purpose high-power diode portfolio, designed for demanding industrial environments. The DO-205AB package is standard for high-current applications where direct mounting to a heatsink is necessary. It serves as a critical component in power electronics where reliability under thermal stress is paramount.
Replacement Considerations
Consult official Vishay documentation for verified cross-reference part numbers. Ensure any substitute maintains identical voltage, current, and package specifications to guarantee system compatibility.
