MMBZ4688-HE3-18

Single Zener Diodes Overview

The MMBZ4688-HE3-18 is a dual common anode Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 27 V with a maximum power dissipation of 300 mW. The device operates within a junction temperature range of -55°C to +150°C and exhibits a maximum reverse leakage current of 80 nA. It is housed in an SOT-23-3 surface-mount package and holds AEC-Q101 automotive qualification.

Single Zener Diodes Feature Summary

• Dual common anode configuration for efficient circuit design
• Automotive grade reliability certified under AEC-Q101 standards
• Low reverse leakage current characteristics

Single Zener Diodes Applications

• Automotive electronic circuits requiring voltage regulation
• Transient voltage suppression applications
• General purpose protection in surface mount assemblies

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific HE3 suffix indicates lead-free construction compliant with RoHS directives. Ensure the SOT-23-3 footprint matches the target PCB layout requirements before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a dual Zener solution with common anode topology is required in a compact SOT-23-3 package. The AEC-Q101 certification makes it suitable for automotive environments. Consider the 300 mW power rating and 27 V breakdown voltage against circuit load conditions.

Single Zener Diodes Part Context

This part belongs to the MMBZ4688 series of dual Zener diodes from Vishay. It utilizes the HE3 technology, which signifies a green compound that contains no halogens and is Pb-free. The series is designed for high-reliability applications in consumer and automotive electronics.

Single Zener Diodes Replacement Considerations

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