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AU3PKHM3/87A
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Product Detailed Parameters
- Description：DIODE AVALANCHE 800V 1.4A TO277A
- Series：eSMP®
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：800 V
- Current - Average Rectified (Io)：1.4A
- Voltage - Forward (Vf) (Max) @ If：2.5 V @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：75 ns
- Current - Reverse Leakage @ Vr：10 µA @ 800 V
- Capacitance @ Vr, F：42pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：TO-277, 3-PowerDFN
- Supplier Device Package：TO-277A (SMPC)
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The AU3PKHM3/87A is a fast recovery rectifier from Vishay Semiconductors, featuring an 800 V reverse voltage and 3 A average forward current. It utilizes the SMPC (TO-277A-3) surface-mount package with a single configuration. Key electrical parameters include a maximum forward voltage of 1.13 V, a reverse leakage current of 410 nA, and a typical recovery time of 66 ns. The device supports a maximum surge current of 45 A and operates within a temperature range of -55 °C to +175 °C. It holds AEC-Q101 qualification for automotive reliability.
Feature Summary
- Fast recovery performance optimized for high-frequency switching applications
- Avalanche-rated capability for robust operation in inductive load environments
- Automotive-grade qualification ensuring reliability under stringent industry standards
Applications
- Automotive power supply circuits requiring high-voltage rectification
- High-frequency DC-DC converter output stages
- Inductive load freewheeling diodes in automotive systems
Procurement Notes
Verify the specific suffix /87A against official datasheets to confirm reel packaging specifications. Confirm AEC-Q101 compliance requirements match your design needs. Ensure the SMPC footprint aligns with your PCB layout constraints before finalizing procurement orders.
Selection Notes
Select this component when an 800 V rating is required for high-side or boost applications. The fast recovery characteristic makes it suitable for frequencies exceeding standard rectifier limits. Consider the thermal management capabilities of the TO-277A-3 package for your specific power dissipation calculations.
Part Context
This part belongs to the AU3P series of avalanche-rated fast recovery rectifiers. It shares the eSMP trademarked package family with other Vishay surface-mount diodes. The series is designed to replace larger through-hole components while maintaining high voltage and current ratings in compact form factors.
Replacement Considerations
Check for AU3PKHM3_A/H as a potential variant. Verify pinout compatibility and exact electrical tolerances before substitution. Ensure any replacement maintains the same avalanche rating and automotive qualification status.
