BZG05B12-HM3-08

Single Zener Diodes Overview

The BZG05B12-HM3-08 is a single Zener diode from Vishay General Semiconductor, designed for surface mount applications in the DO-214AC (SMA) package. It features a nominal Zener voltage of 12 V with a tight tolerance of ±2%. The device supports a maximum power dissipation of 1.25 W and operates within a junction temperature range of -65°C to +150°C. It is qualified under AEC-Q101 standards for automotive reliability. Key electrical characteristics include a forward voltage of 1.2 V at 200 mA and a reverse leakage current of 500 nA at 9.1 V.

Single Zener Diodes Feature Summary

• Automotive-grade qualification compliant with AEC-Q101 standards
• High thermal stability with a junction temperature rating up to 150°C
• Tight voltage tolerance of ±2% for precise regulation
• Surface mount construction in the compact DO-214AC (SMA) package

Single Zener Diodes Applications

• Voltage reference circuits in automotive electronics
• Overvoltage protection for sensitive semiconductor components
• Clamping applications in high-reliability industrial systems

Single Zener Diodes Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with existing PCB footprints for the DO-214AC package. Confirm that the component meets the required AEC-Q101 certification levels for your specific application environment. Cross-reference datasheet parameters with system design constraints before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when a stable 12 V reference with high precision is required in space-constrained designs. The ±2% tolerance makes it suitable for applications demanding tighter regulation than standard general-purpose diodes. Consider the 1.25 W power rating for thermal management requirements in enclosed automotive or industrial enclosures.

Single Zener Diodes Part Context

This part belongs to the BZG05 series of Zener diodes manufactured by Vishay General Semiconductor. The series is characterized by its robust construction and suitability for automated surface mount assembly processes. The BZG05B12 variant specifically targets the 12 V market segment within the broader SMA package family.

Single Zener Diodes Replacement Considerations

Direct substitutes may include other Vishay BZG05 series parts with similar voltage ratings, such as the BZG05C12-HM3-08, though tolerance differences must be evaluated. Verify pinout compatibility and thermal performance characteristics when considering alternative manufacturers.