MMSZ5247C-HE3-18

Single Zener Diodes Overview

The MMSZ5247C-HE3-18 is a silicon planar Zener diode manufactured by Vishay Semiconductors. It provides a nominal Zener voltage of 17 V with a tight tolerance of ±2%. The device operates at a test current of 7.4 mA and dissipates up to 500 mW in the SOD-123 surface-mount package. It features a maximum reverse leakage current of 0.1 µA and a dynamic resistance of 19 Ω. Qualified under AEC-Q101 standards, it supports an operating temperature range from -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive reliability requirements
• ESD protection exceeding 8 kV via human body model
• RoHS-compliant construction utilizing HE3 technology

Single Zener Diodes Applications

• Automotive electronic circuit regulation
• Voltage reference stabilization
• Overvoltage protection circuits

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized channels. Confirm that the specific ordering suffix matches the required tape-and-reel packaging format. Ensure compliance with RoHS directives and AEC-Q101 qualification status prior to integration into production workflows.

Single Zener Diodes Selection Notes

Select this variant when strict voltage accuracy within ±2% is required. The SOD-123 package facilitates automated surface-mount assembly. Verify thermal management capabilities against the specified junction-to-lead thermal resistance for high-power dissipation scenarios.

Single Zener Diodes Part Context

This component belongs to the MMSZ5225 to MMSZ5267 series of small signal Zener diodes. The 'C' suffix indicates the tighter ±2% voltage tolerance compared to standard commercial grades. The 'HE3' designation signifies lead-free termination with enhanced environmental compliance.

Single Zener Diodes Replacement Considerations

MMSZ5247B-E3-18 (±5% tolerance)

Single Zener Diodes FAQ

What is the ESD rating for this component?

The device offers an ESD capability greater than 8 kV according to the Human Body Model and greater than 800 V according to the Machine Model.

How does the 'C' suffix affect performance?

The 'C' suffix designates a Zener voltage tolerance of ±2%, providing higher precision compared to the standard ±5% tolerance found in devices with the 'B' suffix.