BZG03B56-HM3-18

Single Zener Diodes Overview

The BZG03B56-HM3-18 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 56 V and a maximum power dissipation of 1.25 W. The device utilizes a DO-214AC (SMA) surface-mount package and operates within a junction temperature range up to 150°C. It holds AEC-Q101 qualification for automotive applications and complies with RoHS3 standards. The component is currently obsolete and no longer in production.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive reliability requirements
• Surface-mount construction in a compact DO-214AC (SMA) package
• High thermal stability with a maximum junction temperature of 150°C

Single Zener Diodes Applications

• Automotive electronic circuit protection
• Voltage reference stabilization in automotive modules
• Over-voltage protection in vehicle electronics

Single Zener Diodes Procurement Notes

This specific part number is officially obsolete and has been discontinued by the manufacturer. Procurement of new original units is not possible through standard distribution channels. Designers must verify the availability of recommended substitutes or consider redesigning with currently active components to ensure long-term supply chain stability.

Single Zener Diodes Selection Notes

Selection should focus on identifying equivalent Zener voltage and power rating specifications from current product lines. Verify that any replacement maintains the required DO-214AC footprint and meets the same AEC-Q101 automotive grade standards. Confirm that thermal performance and leakage characteristics align with the original design constraints before finalizing the substitution.

Single Zener Diodes Part Context

The BZG03B series belongs to Vishay's line of high-reliability Zener diodes designed for robust performance in demanding environments. These components are engineered to provide precise voltage regulation and protection in space-constrained surface-mount applications, particularly within the automotive sector where strict quality and durability standards are mandatory.

Single Zener Diodes Replacement Considerations

The manufacturer recommends BZG03B56-HM3_A-18 as the official substitute for this obsolete part number.