MMBZ4691-HE3-18

Single Zener Diodes Overview

The MMBZ4691-HE3-18 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 6.2 V with a tolerance of ±5%. The device is designed for surface mount installation in an SOT-23-3 package. It has a maximum power dissipation of 350 mW and a maximum reverse leakage current of 10 µA. The component operates within a temperature range of -55 °C to +150 °C junction temperature.

Single Zener Diodes Feature Summary

• Surface mount construction in a compact SOT-23-3 package
• Single Zener diode configuration for voltage regulation
• High thermal stability across extended operating temperatures

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific suffix HE3-18 against official datasheets to confirm compliance with RoHS directives and halogen-free status. Confirm availability status as distribution channels may list this part as discontinued or end-of-life. Ensure the ordering part number matches the required packaging format, such as tape and reel, prior to purchase.

Single Zener Diodes Selection Notes

Select this component when a 6.2 V regulation point is required in space-constrained designs utilizing the SOT-23-3 footprint. Consider the 350 mW power rating for thermal management in the final assembly. Verify that the ±5% voltage tolerance meets the circuit requirements compared to standard tolerance options.

Single Zener Diodes Part Context

This part belongs to the MMBZ4691 series of single Zener diodes from Vishay. It shares the same electrical characteristics as the MMBZ4691-E3-18 but utilizes the HE3 suffix indicating specific environmental compliance. The series is categorized under discrete semiconductor diodes and rectifiers.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other manufacturers offering 6.2 V Zener diodes in SOT-23-3 packages if discontinuation is confirmed.