BYG20JHM3_A/H

Overview

The BYG20JHM3_A/H is an ultrafast avalanche rectifier manufactured by Vishay General Semiconductor. It features a glass passivated pellet chip junction and operates in the SMA (DO-214AC) surface-mount package. The device supports a maximum repetitive peak reverse voltage of 600 V and an average forward current of 1.5 A. Key electrical parameters include a maximum instantaneous forward voltage of 1.4 V at 1.5 A, a maximum DC reverse current of 1 µA at 25 °C, and an ultrafast reverse recovery time of 75 ns. It withstands a peak forward surge current of 30 A and handles non-repetitive pulse energy of 20 mJ in avalanche mode. Operating temperatures range from -55 °C to +150 °C.

Feature Summary

• Ultrafast reverse recovery characteristics with soft recovery behavior
• Controlled avalanche capability for handling inductive load switch-off
• Glass passivated pellet chip junction for high reliability
• Halogen-free and RoHS-compliant commercial grade construction

Applications

• High frequency rectification in power supplies
• Inverter and converter circuits
• Freewheeling diodes for consumer electronics
• Automotive electronic systems
• Telecommunication equipment

Procurement Notes

Verify that the ordering code includes the HM3 suffix to confirm halogen-free status and AEC-Q101 qualification. Ensure the base part number matches the specific voltage rating required for the application. Confirm the delivery mode corresponds to the desired reel size, such as the 7-inch tape and reel format. Cross-reference the document number 88958 to access the latest official specifications before finalizing procurement.

Selection Notes

Select this component when a single-diode configuration requires a 600 V blocking voltage and 1.5 A continuous current capacity. The 75 ns reverse recovery time makes it suitable for high-frequency switching applications where low loss is critical. The avalanche rating allows for robust performance in inductive switching environments. Verify thermal resistance requirements against the specific PCB copper area available for heat dissipation.

Part Context

This device belongs to the BYG20 series of ultrafast SMD rectifiers, which also includes variants rated for 200 V and 400 V. All members share identical mechanical dimensions and general electrical characteristics, differing primarily in their maximum repetitive peak reverse voltage ratings. The series utilizes the standard SMA (DO-214AC) package to facilitate automated placement on printed circuit boards.

Replacement Considerations

Direct substitutes within the same family include BYG20DHM3_A/H for 200 V applications and BYG20GHM3_A/H for 400 V applications. These parts maintain identical pinouts, package styles, and thermal profiles while offering lower voltage ratings.