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AU1FMHM3/I
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Product Detailed Parameters
- Description：DIODE AVALANCHE 1000V 1A DO219AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：1000 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.85 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：75 ns
- Current - Reverse Leakage @ Vr：1 µA @ 1000 V
- Capacitance @ Vr, F：8.2pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-219AB
- Supplier Device Package：DO-219AB (SMF)
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The AU1FMHM3/I is a surface-mount ultrafast avalanche rectifier from Vishay's eSMP series, housed in an SMF (DO-219AB) package. It features a maximum repetitive peak reverse voltage of 1000 V and supports an average forward current of 1.0 A. The device exhibits a maximum reverse recovery time of 75 ns and a non-repetitive avalanche energy rating of 20 mJ at 1.0 A. Operating junction temperatures range from -55 °C to +175 °C.
Feature Summary
- Avalanche-rated capability for robust operation under transient conditions
- Ultrafast recovery characteristics optimized for high-frequency applications
- Glass passivated chip junction ensuring long-term reliability
- Automotive-grade qualification compliant with AEC-Q101 standards
Applications
- General purpose rectification in power supplies
- Inverter and converter circuits
- Freewheeling diodes in consumer electronics
- Automotive electronic systems
- Telecommunication equipment
Procurement Notes
Verify the specific suffix configuration against project requirements. The 'I' designation indicates a 13-inch tape and reel packaging format, while 'H' denotes a 7-inch reel. Confirm that the HM3 variant meets all necessary environmental compliance standards for the intended deployment environment.
Selection Notes
Select this component when high-voltage blocking capabilities are required alongside fast switching speeds. The avalanche rating provides tolerance for inductive load transients without external protection. Ensure thermal management aligns with the specified junction temperature limits during continuous operation.
Part Context
This part belongs to the AU1F family of ultrafast avalanche rectifiers manufactured by Vishay General Semiconductor. The series includes variants with different voltage ratings, sharing common mechanical dimensions and recovery time specifications. The eSMP branding identifies it as part of Vishay's specialized surface-mount portfolio designed for automated assembly processes.
Replacement Considerations
Cross-reference with other Vishay AU1FM variants if voltage or current requirements differ. Verify pinout compatibility before substituting with generic DO-219AB components. Ensure any replacement maintains equivalent avalanche energy ratings and reverse recovery times.
