MMSZ4717-HE3-18

Single Zener Diodes Overview

The MMSZ4717-HE3-18 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 43 V with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and is designed for surface mount installation in an SOD-123 package. It operates within a temperature range of -55°C to 150°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at 43 V
• Compact surface mount design in SOD-123 package
• Operates across extended industrial temperature ranges

Single Zener Diodes Applications

• Voltage reference circuits
• Over-voltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

This component is listed as obsolete and no longer manufactured by the original producer. Verification of current availability through authorized distributors or alternative sources is required before procurement planning. Ensure that any substitute components meet the original electrical specifications and physical dimensions to maintain circuit integrity.

Single Zener Diodes Selection Notes

Engineers should evaluate equivalent Zener diodes from other manufacturers when sourcing this part. Key selection criteria include matching the 43 V breakdown voltage, 500 mW power rating, and SOD-123 footprint. Verify thermal performance and leakage current characteristics against the original datasheet requirements to ensure compatibility with existing designs.

Single Zener Diodes Part Context

The MMSZ4717 series belongs to Vishay's line of small-signal Zener diodes intended for general-purpose voltage regulation. These devices are commonly used in consumer electronics and industrial equipment where space-constrained surface mount solutions are necessary. The HE3 suffix typically indicates enhanced environmental compliance features.

Single Zener Diodes Replacement Considerations

Available substitutes include MMSZ4717T1G from onsemi and BZT52C43-TP from Micro Commercial Components. These alternatives offer similar electrical characteristics and packaging options.