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AR3PKHM3/86A
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Product Detailed Parameters
- Description：DIODE AVALANCHE 800V 1.6A 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)：1.6A
- Voltage - Forward (Vf) (Max) @ If：1.9 V @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：120 ns
- Current - Reverse Leakage @ Vr：10 µA @ 800 V
- Capacitance @ Vr, F：34pF @ 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 AR3PKHM3/86A is an avalanche-rated single diode manufactured by Vishay General Semiconductor – Diodes Division. It features a maximum DC reverse voltage (Vr) of 800 V and an average forward rectifier current (Io) of 1.6 A. The device utilizes a TO-277A(SMPC) surface-mount package. Key electrical parameters include a peak non-repetitive forward surge current (Ifsm) of 45 A and a junction temperature range from -55°C to +175°C. This component is designed for robust high-voltage switching applications requiring avalanche energy handling capabilities.
Feature Summary
- Avalanche-rated construction for reliable operation in inductive switching environments
- High-voltage capability with an 800 V maximum reverse voltage rating
- Surface-mount design in a compact TO-277A(SMPC) package
Applications
- High-voltage DC-DC converter circuits
- Inductive load protection and snubber applications
- Automotive power electronics systems
Procurement Notes
Verify the specific suffix /86A against the official Vishay datasheet to confirm packaging configuration. Ensure the procurement source provides valid RoHS compliance documentation. Cross-reference the manufacturer part number with authorized distributor catalogs to prevent counterfeit components. Confirm that the received units match the active lifecycle status indicated in public technical resources.
Selection Notes
Select this component when circuit designs require high-voltage blocking with avalanche ruggedness. The 800 V rating suits applications exceeding standard low-voltage limits. The TO-277A package facilitates automated surface-mount assembly. Evaluate thermal management requirements based on the 1.6 A continuous current rating and the specified junction temperature range for the target operating environment.
Part Context
This device belongs to Vishay's general-purpose diode portfolio, specifically engineered for high-voltage scenarios. The AR3PK series denotes avalanche-rated performance within the TO-277A form factor. It serves as a specialized solution for power conversion stages where transient energy absorption and high reverse bias stability are critical design constraints.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided reference data. Verify compatibility with alternative high-voltage avalanche diodes in the TO-277A package by comparing Vr, Io, and avalanche energy ratings against the original specifications.
