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A170RD
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Product Detailed Parameters
- Description：DIODE STD REV 400V 100A DO205AA
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Technology：Standard, Reverse Polarity
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：100A
- Voltage - Forward (Vf) (Max) @ If：1.3 V @ 100 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：20 mA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：DO-205AA, DO-8, Stud
- Supplier Device Package：DO-205AA (DO-8)
- Operating Temperature - Junction：-40°C ~ 200°C
- Grade：-
- Qualification：-
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Overview
The Powerex Inc. A170RD is a silicon rectifier diode rated for 400 V DC reverse voltage and 100 A average forward current. It utilizes the DO-205AA (DO-8) package with chassis stud mounting. The device exhibits a maximum forward voltage of 1.3 V at 100 A and a reverse leakage current of 20 mA at 400 V. Designed for standard recovery applications, it operates within a junction temperature range of -40°C to 200°C.
Feature Summary
- High thermal stability with a junction temperature rating up to 200°C
- Robust mechanical construction via chassis stud mounting in the DO-205AA package
- Standard recovery characteristics suitable for general-purpose rectification
Applications
- Industrial power supply rectification
- Motor drive circuits
- Welding equipment power stages
Procurement Notes
Verify the specific suffix against manufacturer documentation to confirm voltage ratings and pinout configurations. Ensure mounting hardware compatibility with the DO-205AA chassis stud interface. Confirm RoHS compliance status if required by project specifications before finalizing procurement orders.
Selection Notes
Select this component for high-current applications requiring robust thermal management and reliable performance under demanding conditions. The 200°C junction capability allows for operation in elevated ambient temperatures without derating constraints typical of lower-rated devices.
Part Context
The A170RD belongs to the A170 series of high-power silicon rectifiers manufactured by Powerex Inc. This series is engineered for heavy-duty industrial environments, offering durable packaging and consistent electrical characteristics across various voltage and current combinations within the family.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure replacement parts match the 100A current rating, 400V blocking voltage, and DO-205AA mounting footprint to maintain system integrity.
FAQ
What is the maximum operating junction temperature?
The maximum operating junction temperature is 200°C.
What is the reverse leakage current specification?
The reverse leakage current is specified as 20 mA at 400 V.
