GDZ33B-HG3-18

Single Zener Diodes Overview

The GDZ33B-HG3-18 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 33 V with a tolerance of ±2.48%. The device has a maximum power dissipation of 200 mW and operates in the SOD-323 (SC-76) surface-mount package. Key electrical characteristics include a maximum impedance of 250 Ohms and a reverse leakage current of 100 nA at 25 V. It is qualified to AEC-Q101 standards for automotive applications and supports a junction temperature up to 150°C.

Single Zener Diodes Feature Summary

• Automotive-grade qualification compliant with AEC-Q101 standards
• Low noise and excellent stability characteristics suitable for precision circuits
• Surface-mount design in compact SOD-323 packaging

Single Zener Diodes Applications

• Voltage reference circuits in automotive electronics
• Over-voltage protection in sensitive signal lines
• Clamping applications in high-reliability industrial systems

Single Zener Diodes Procurement Notes

Verify the specific suffix against official datasheets, as ordering codes may indicate variations in tape-and-reel specifications or manufacturing revisions. Confirm AEC-Q101 compliance requirements for your target application. Ensure the SOD-323 footprint matches your PCB layout constraints. Cross-reference part numbers with manufacturer documentation to avoid substitution errors.

Single Zener Diodes Selection Notes

Select this component when a stable 33 V reference is required in space-constrained automotive designs. The low leakage current makes it suitable for high-impedance nodes. Consider the 200 mW power rating for thermal management in dense assemblies. Verify that the ±2.48% tolerance meets the system's accuracy requirements before finalizing the bill of materials.

Single Zener Diodes Part Context

This part belongs to Vishay's GDZ-G series of small-signal Zener diodes. These devices are engineered for general-purpose voltage regulation and protection tasks. The series emphasizes reliability and consistency, making them common choices in consumer and industrial electronics where stable voltage references are critical.

Single Zener Diodes Replacement Considerations

GDZ33B-HE3_A08 and GDZ33B-HG3_A18 are documented parameter-equivalent alternatives from the same manufacturer.