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AS3PGHM3/86A
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Product Detailed Parameters
- Description：DIODE AVALANCHE 400V 2.1A TO277A
- Series：eSMP®
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：2.1A
- Voltage - Forward (Vf) (Max) @ If：920 mV @ 1.5 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：1.2 µs
- Current - Reverse Leakage @ Vr：10 µA @ 400 V
- Capacitance @ Vr, F：37pF @ 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：Automotive
- Qualification：AEC-Q101
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Overview
The AS3PGHM3/86A is a surface mount standard recovery rectifier from Vishay, utilizing the eSMP (TO-277A) package. It features a single cathode dual anode configuration with a 400V repetitive peak reverse voltage and a 3A average forward current rating. Key electrical parameters include a 1V maximum forward voltage at 3A, a 70A non-repetitive peak forward surge current, and a typical reverse leakage current of 280nA. The device operates within a junction temperature range of -55°C to +175°C and exhibits a typical reverse recovery time of 1.2µs.
Feature Summary
- Glass passivated chip junction for reliable operation
- Controlled avalanche characteristics for ruggedness
- Low leakage current performance
- High forward surge capability
Applications
- Automotive electronics systems
- General purpose rectification in power supplies
- DC-DC converter circuits
Procurement Notes
Verify the specific suffix 'H' against official Vishay documentation to confirm its exact meaning regarding tape and reel specifications or material composition. Ensure the ordering part number matches the required packaging format, as variations exist within the AS3P series. Cross-reference the datasheet revision date to ensure compliance with current environmental directives such as RoHS and REACH requirements before finalizing procurement.
Selection Notes
Select this component when a 400V blocking voltage and 3A continuous current are required in a low-profile SMD form factor. The single cathode dual anode topology is suitable for bridge rectifier applications using fewer components. Consider the 1.2µs reverse recovery time for general frequency applications rather than high-speed switching. Verify that the TO-277A footprint aligns with the target PCB design constraints.
Part Context
This device belongs to the Vishay AS3P series of high current density standard avalanche surface mount rectifiers. The series utilizes the eSMP package, which offers a very low profile ideal for automated placement. These rectifiers are designed to meet automotive reliability standards, including AEC-Q101 qualification, making them suitable for demanding environments where space and thermal performance are critical.
Replacement Considerations
Direct replacements within the same family include the AS3PHM3/86A (600V rating) and AS3PJ-M3/86A (800V rating), provided the voltage margin allows. For lower voltage requirements, the AS3PF-M3/86A (200V) may be considered. Ensure any substitute maintains the TO-277A package and single cathode dual anode configuration to fit existing footprints.
