MMBZ4688-E3-18

Single Zener Diodes Overview

The MMBZ4688-E3-18 is a single Zener diode manufactured by Vishay General Semiconductor. It features a nominal Zener voltage of 4.7 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 operates within a temperature range of -55°C to +150°C. The component complies with RoHS 3 standards.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 4.7 V level
• Designed for compact surface-mount applications using the SOT-23-3 footprint
• Operates reliably across an extended industrial temperature range

Single Zener Diodes Applications

• Voltage reference circuits requiring precise 4.7 V levels
• Over-voltage protection stages in low-power electronics
• Clamping applications in signal conditioning paths

Single Zener Diodes Procurement Notes

Verify the specific suffix E3-18 against the manufacturer's current datasheet to confirm active status and packaging details. Ensure the SOT-23-3 package matches the target PCB layout. Confirm RoHS 3 compliance requirements align with final assembly regulations before procurement.

Single Zener Diodes Selection Notes

Select this component when a 4.7 V Zener voltage is required in a small SOT-23-3 package. Consider the 350 mW power rating for thermal management in dense layouts. Verify that the ±5% tolerance meets the circuit's precision requirements compared to tighter tolerance alternatives.

Single Zener Diodes Part Context

This part belongs to Vishay's MMBZ series of single Zener diodes. The series offers various voltage options in the SOT-23-3 package, providing designers with standardized components for voltage regulation and protection tasks in consumer and industrial electronic devices.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official distributor databases for direct or upgrade replacements if this specific part number is unavailable.