BZG03B12-HM3-18

Single Zener Diodes Overview

The BZG03B12-HM3-18 is a single Zener diode from the Vishay BZG03B-M series, designed for surface-mount applications in the DO-214AC (SMA) package. It features a nominal Zener voltage of 12 V with a maximum power dissipation of 1.25 W. The device exhibits a maximum Zener impedance of 10 Ohms and a reverse leakage current of 2 µA at 10 V. It operates within a junction temperature range up to 150°C and includes an AEC-Q101 qualification for automotive grade reliability.

Single Zener Diodes Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards
• High thermal stability supporting junction temperatures up to 150°C
• Compact surface-mount construction in the DO-214AC (SMA) package

Single Zener Diodes Applications

• Voltage regulation in automotive electronic circuits
• Overvoltage protection for sensitive semiconductor components
• Reference voltage generation in industrial control systems

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with design requirements. Confirm RoHS3 compliance status and check for any product change notices or obsolescence announcements prior to finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when a 12 V reference with 1.25 W power handling is required in a compact SMA footprint. Ensure the application environment supports the specified 150°C junction temperature limit and that the low leakage characteristics meet the circuit's precision requirements.

Single Zener Diodes Part Context

This part belongs to the BZG03B-M series of high-power Zener diodes manufactured by Vishay General Semiconductor. The series is characterized by its robust construction suitable for demanding environments, offering precise voltage regulation capabilities in a standardized surface-mount form factor widely used in modern electronics assembly.

Single Zener Diodes Replacement Considerations

Consult the manufacturer's official substitution guide for verified alternatives. Cross-reference electrical parameters such as Zener voltage tolerance, impedance, and package dimensions to ensure functional equivalence without modifying the existing board layout.