BZG03B43-M3-08

Single Zener Diodes Overview

The BZG03B43-M3-08 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 43 V with a tolerance of ±2%. The device is rated for a maximum power dissipation of 1.25 W and operates in the DO-214AC (SMA) surface-mount package. Key electrical parameters include a maximum Zener impedance of 15 Ohms and a reverse leakage current of 1 µA at 32 V. The component supports a junction temperature up to 150°C and complies with RoHS 3 standards.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with ±2% tolerance for stable reference applications
• Engineered for surface-mount assembly using the compact DO-214AC (SMA) footprint
• Designed for high thermal stability with a maximum junction temperature of 150°C

Single Zener Diodes Applications

• Voltage reference circuits requiring tight tolerance
• Over-voltage protection stages
• Clamping applications in electronic systems

Single Zener Diodes Procurement Notes

Verify the specific suffix against official manufacturer documentation, as variations may indicate different packaging or testing criteria. Confirm that the requested part number matches the exact electrical specifications required for the design, particularly regarding the Zener voltage tolerance and power rating. Ensure compliance with relevant environmental directives such as RoHS 3 before integration into the final product assembly.

Single Zener Diodes Selection Notes

Select this component when a 43 V Zener voltage with strict ±2% tolerance is required in a surface-mount format. The DO-214AC package offers a balance between power handling capability and board space efficiency. Consider the 1.25 W power rating and 15 Ohm impedance characteristics to ensure adequate performance under expected operating conditions and transient loads.

Single Zener Diodes Part Context

This component belongs to the BZG03B series of Zener diodes from Vishay. The series is characterized by its use in general-purpose voltage regulation and protection tasks. The BZG03B43 variant specifically targets applications needing a 43 V breakdown voltage with high precision, distinguishing it from wider tolerance variants within the broader product family.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.