BYG23MHM3_A/I

Overview

The BYG23MHM3_A/I is an ultrafast avalanche rectifier manufactured by Vishay General Semiconductor. It features a glass passivated pellet chip junction and is housed in a low-profile SMA (DO-214AC) surface-mount package suitable for automated placement. The device is AEC-Q101 qualified, halogen-free, and RoHS compliant. Key electrical parameters include a maximum repetitive peak reverse voltage of 1000 V, an average forward current of 1.5 A at 65 °C, and a peak forward surge current of 30 A. It exhibits a maximum reverse recovery time of 75 ns, a maximum instantaneous forward voltage of 1.7 V at 1.0 A, and a maximum reverse current of 5 µA at 25 °C. The operating junction temperature range spans from -55 °C to +150 °C.

Feature Summary

• Ultrafast reverse recovery characteristics with controlled avalanche capabilities
• Glass passivated pellet chip junction for enhanced reliability
• Low profile package optimized for automated surface-mount placement
• Qualified for automotive applications under the AEC-Q101 standard

Applications

• High frequency rectification in switching mode converters
• Freewheeling applications in inverters
• Consumer electronics power supplies
• Computer equipment power systems
• Automotive electronic modules
• Telecommunication infrastructure

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 revision code required for your assembly process. Confirm compliance with JESD 201 class 2 whisker test requirements if applicable to your manufacturing standards. Cross-reference the datasheet document number 88962 for the most current mechanical and electrical specifications before finalizing procurement.

Selection Notes

Select this component when high voltage isolation up to 1000 V is required alongside fast switching speeds. The SMA package offers a compact footprint ideal for space-constrained designs. Consider the thermal resistance values provided in the datasheet for heat dissipation planning. Verify that the 1.5 A average current rating meets the continuous load requirements of the target circuit application.

Part Context

This device belongs to the BYG23M series of ultrafast avalanche SMD rectifiers. The series utilizes glass passivation technology to ensure stable performance across the specified temperature range. Vishay designs these components to meet stringent automotive reliability standards while maintaining commercial grade efficiency. The SMA package variant provides a standardized mounting solution for modern surface-mount assembly lines.

Replacement Considerations

Direct substitutes within the same series include BYG23MHM3_A/H. Verify pinout compatibility and thermal characteristics when transitioning between different packaging codes or revision variants.

FAQ

What does the HM3 suffix indicate for this component?

The HM3 suffix denotes that the device is halogen-free, RoHS-compliant, and qualified to the AEC-Q101 automotive standard.

Is the BYG23MHM3_A/I suitable for avalanche operation?

Yes, the device is designed as an ultrafast avalanche rectifier capable of handling non-repetitive pulse energy in avalanche mode.

What is the maximum operating junction temperature?

The maximum operating junction temperature is 150 °C.