BZG03B91-HM3-08

Single Zener Diodes Overview

The BZG03B91-HM3-08 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 91 V with a tolerance of ±2%. The device is rated for a maximum power dissipation of 1.25 W and utilizes the DO-214AC (SMA) surface-mount package. Key electrical characteristics include a maximum Zener impedance of 200 Ohms, a reverse leakage current of 1 µA at 68 V, and a forward voltage of 1.2 V at 500 mA. It supports a junction temperature up to 150°C and meets AEC-Q101 automotive qualification standards.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a tight ±2% tolerance on the 91 V Zener voltage.
• Designed for high-reliability automotive applications through AEC-Q101 certification.
• Capable of operating at elevated junction temperatures up to 150°C.
• Utilizes a compact DO-214AC surface-mount package for automated assembly.

Single Zener Diodes Applications

• Automotive electronic circuit protection
• Voltage reference stabilization in automotive modules
• Over-voltage protection in automotive-grade PCBs

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official Vishay documentation to ensure correct packaging and variant alignment. Confirm component status as active or obsolete prior to procurement planning. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability. Ensure compliance with RoHS3 specifications if required by the target application environment.

Single Zener Diodes Selection Notes

Select this component when a stable 91 V reference with high precision is required in an automotive context. The DO-214AC package suits space-constrained surface-mount designs. Consider the 200 Ohm impedance and 1.25 W power rating for thermal management. Verify that the ±2% tolerance aligns with the circuit's voltage regulation requirements.

Single Zener Diodes Part Context

This component belongs to the BZG03B-M series of single Zener diodes from Vishay. The series is characterized by its focus on automotive-grade reliability and robust performance in harsh environments. The BZG03B91-HM3-08 variant specifically targets applications requiring a 91 V breakdown voltage within the SMA footprint.

Single Zener Diodes Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include BZG03B91-HM3_A-08, BZG03B91-HM3_A-18, and BZG03B91-M3_A-08. These alternatives maintain similar electrical characteristics and package form factors.