BYM12-400HE3_A/H

Overview

The BYM12-400HE3_A/H is a surface-mount glass-passivated ultrafast rectifier from Vishay General Semiconductor. It features a Superectifier structure and operates in a GL41 (DO-213AB) package. The device supports a maximum average forward rectified current of 1.0 A at 75 °C and withstands a peak forward surge current of 30 A. It offers a maximum repetitive peak reverse voltage of 400 V, with a maximum instantaneous forward voltage of 1.25 V at 1.0 A. The component exhibits an ultrafast reverse recovery time of 50 ns and maintains a maximum junction temperature rating of 175 °C.

Feature Summary

• Utilizes a cavity-free glass-passivated junction for high reliability
• Features an ultrafast reverse recovery time to minimize switching losses
• Designed for automated placement and meets MSL level 1 standards

Applications

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

Procurement Notes

Verify the specific part number against official Vishay documentation to ensure compliance with RoHS directives and material categorization requirements. Confirm that the EGL41G variant matches the required electrical characteristics for your design. Ensure storage and handling procedures adhere to J-STD-020 moisture sensitivity levels to maintain product integrity prior to assembly.

Selection Notes

Select this component for designs requiring high efficiency and fast switching speeds in compact surface-mount layouts. The 400 V reverse voltage rating makes it suitable for higher voltage DC-DC conversion stages. Consider the thermal resistance values when designing heat dissipation strategies for dense PCB layouts to ensure operation within the specified junction temperature limits.

Part Context

This device belongs to the BYM12 series of ultrafast rectifiers, which are engineered for high-reliability applications. The series utilizes Vishay's Superectifier technology to provide robust performance under demanding electrical conditions. These components are widely used in modern power electronics where size constraints and switching speed are critical design factors.

Replacement Considerations

Compatible substitutes include other Vishay EGL41x series parts such as EGL41D-E3/96 or EGL41F-E3/96, provided they match the 400 V reverse voltage requirement. Verify that alternative components share the same DO-213AB package dimensions and thermal characteristics to ensure mechanical compatibility.