MMSZ5248C-HE3-08

Single Zener Diodes Overview

The MMSZ5248C-HE3-08 is a silicon planar Zener diode from Vishay Semiconductors, designed for surface-mount applications in the SOD-123 package. It provides an 18 V nominal Zener voltage with a tight ±2 % tolerance and operates at a test current of 7 mA. The device dissipates up to 500 mW, maintains a maximum reverse leakage current of 0.1 µA, and features a dynamic resistance of 21 Ω. Qualified under AEC-Q101 standards, it supports junction temperatures up to 150 °C.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive-grade reliability
• High ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
• Tight ±2 % Zener voltage tolerance for precision regulation
• RoHS-compliant construction using advanced HE3 technology

Single Zener Diodes Applications

• Automotive electronic circuit protection
• Precision voltage reference generation
• Overvoltage clamping in sensitive signal lines
• Power supply output regulation

Single Zener Diodes Procurement Notes

Verify that the ordering suffix matches the required AEC-Q101 qualification and tape-and-reel packaging format. Confirm RoHS compliance status and ensure the component meets specific automotive environmental requirements before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this variant when strict ±2 % voltage accuracy is mandatory compared to standard ±5 % devices. Ensure the application environment accommodates the specified thermal dissipation limits and verify compatibility with the SOD-123 footprint during PCB layout design.

Single Zener Diodes Part Context

This component belongs to the MMSZ5225 to MMSZ5267 series of small-signal Zener diodes manufactured by Vishay Semiconductors. The series utilizes silicon planar technology and offers a wide range of standardized voltage options within a compact surface-mount form factor suitable for high-density electronics.

Single Zener Diodes Replacement Considerations

• MMSZ5248C-E3-08

Single Zener Diodes FAQ

What is the ESD protection rating for this component?

The device provides 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 'HE3' suffix affect the device specifications?

The 'HE3' suffix indicates that the device is RoHS-compliant, utilizes Vishay's Green Molding Compound, and is qualified to the AEC-Q101 automotive standard.