MMBZ4686-HE3-08

Single Zener Diodes Overview

The MMBZ4686-HE3-08 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 3.9 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 350 mW and operates within a temperature range of -55°C to +150°C. It features low leakage current and low noise characteristics, housed in an SOT-23-3 surface-mount package.

Single Zener Diodes Feature Summary

• Silicon planar construction offering excellent stability
• Low leakage current and low noise performance
• Surface-mount design in SOT-23-3 package

Single Zener Diodes Applications

• Voltage regulation circuits
• Circuit protection applications
• Automotive electronics systems

Single Zener Diodes Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm RoHS3 compliance status and check for Product Change Notifications (PCN) regarding manufacturing updates. Ensure the specific suffix matches required packaging options such as cut tape or reel formats before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component for designs requiring precise 3.9 V reference voltages in compact layouts. The SOT-23-3 package suits space-constrained printed circuit boards. Consider the 350 mW power rating when determining thermal management requirements. Verify that the operating temperature range meets the environmental conditions of the target application.

Single Zener Diodes Part Context

This part belongs to the MMBZ4686 series of single Zener diodes from Vishay. It shares functional similarities with other low-power Zener devices but is distinguished by its specific 3.9 V rating and SOT-23-3 footprint. The series is designed for general-purpose voltage regulation tasks in consumer and industrial electronics.

Single Zener Diodes Replacement Considerations

Available substitutes include BZX84C3V9 TR. Verify pinout compatibility and electrical parameter alignment before substitution.