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AS3PGHM3/87A
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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 AS3PGHM3/87A is a surface mount avalanche rectifier from Vishay’s eSMP series, housed in a TO-277A (SMPC) package. It features a 400 V repetitive peak reverse voltage and a 2.1 A average forward current rating. The device exhibits controlled avalanche characteristics with an energy rating of 1 J per pulse at 100 Hz. Key electrical parameters include a maximum forward voltage of 1.1 V at 3 A and a low leakage current of 5 µA at rated voltage. It supports a high forward surge current of 70 A and operates within a junction temperature range of -55 °C to +150 °C.
Feature Summary
- Glass passivated chip junction for reliable operation
- Controlled avalanche characteristics for ruggedness
- Very low profile suitable for automated placement
Applications
- Automotive electronics requiring AEC-Q101 qualification
- General purpose rectification in compact PCB designs
- Surge protection circuits utilizing avalanche capability
Procurement Notes
Verify the specific suffix /87A corresponds to the reel packaging configuration required for your assembly line. Confirm RoHS compliance status through the official datasheet as regulatory requirements may evolve. Ensure the ordering quantity aligns with the manufacturer's standard reel size to avoid partial reel handling issues during production.
Selection Notes
Select this component when a low-profile surface mount rectifier with avalanche capability is needed. The TO-277A package offers a compact footprint compared to traditional axial leads. Consider the 2.1 A current rating and 400 V blocking voltage to ensure adequate margin for your circuit's operational peaks and transient conditions.
Part Context
This part belongs to Vishay’s eSMP series of high current density standard avalanche surface mount rectifiers. The series is designed for applications demanding reliability in space-constrained environments. The TO-277A package provides thermal performance comparable to larger packages while maintaining a minimal board area footprint.
Replacement Considerations
Check for direct substitutes within the AS3P series with different voltage ratings such as AS3PK or AS3PJ if system voltage requirements differ. Verify pinout compatibility with the TO-277A (SMPC) footprint before replacing existing components in a design.
