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AU1PMHM3/84A
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Product Detailed Parameters
- Description：DIODE AVALANCHE 1KV 1A DO220AA
- Series：eSMP®
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：7.5pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-220AA
- Supplier Device Package：DO-220AA (SMP)
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The AU1PMHM3/84A is a single ultrafast recovery rectifier manufactured by Vishay Semiconductors. It features a maximum average forward rectified current of 1 A and a peak repetitive reverse voltage of 1000 V. The device utilizes the eSMP package, which corresponds to the DO-220AA-2 surface-mount configuration. Key electrical characteristics include a maximum forward voltage of 1.85 V, a reverse leakage current of 1 uA, and a typical reverse recovery time of 75 ns. It supports a maximum surge current of 25 A and operates within a junction temperature range of -55 C to +175 C. The component holds AEC-Q100 qualification for automotive applications.
Feature Summary
- Ultrafast recovery performance with 75 ns reverse recovery time
- High voltage capability up to 1000 V reverse voltage
- Automotive grade reliability via AEC-Q100 qualification
- Compact surface-mount eSMP (DO-220AA) packaging
Applications
- Automotive power supply circuits
- High-frequency DC-DC converters
- Free-wheeling diodes in inductive load switching
- Snubber circuits in high-speed power electronics
Procurement Notes
Verify the specific suffix /84A against the manufacturer datasheet to confirm tape and reel specifications. Ensure the ordering part number matches the required packaging format. Confirm RoHS compliance status through official documentation before procurement. Cross-reference the AEC-Q100 qualification requirements with your system's automotive standards. Validate the DO-220AA footprint compatibility during the design phase.
Selection Notes
Select this component for designs requiring high-voltage isolation with fast switching speeds. The 1 A current rating suits moderate power applications where efficiency is critical. Consider the 1.85 V forward voltage drop for thermal management calculations. The wide operating temperature range allows use in harsh environments. Verify that the 75 ns recovery time meets the switching frequency requirements of the target circuit topology.
Part Context
This device belongs to the AU1P series of ultrafast rectifiers from Vishay. It is designed for general-purpose high-speed switching applications. The eSMP branding indicates a specific small-outline package optimized for automated assembly. It serves as a discrete solution for replacing slower standard recovery diodes in modern power conversion systems.
Replacement Considerations
Check for direct substitutes within the AU1P family with matching voltage and current ratings. Verify pinout compatibility if considering alternative packages like DO-214AC. Ensure any replacement maintains the AEC-Q100 qualification if used in automotive contexts.
