MMSZ5240B-HE3_A-18

Single Zener Diodes Overview

The MMSZ5240B-HE3_A-18 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 10 V with a standard tolerance of ±5%. The device operates in the SOD-123 surface-mount package and supports a maximum power dissipation of 500 mW at thermal equilibrium. It is qualified to AEC-Q101 standards for automotive applications, offering an ESD capability exceeding 8 kV via the human body model. The component functions as a single circuit configuration with a dynamic resistance of 17 Ω.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive reliability requirements
• High electrostatic discharge protection exceeding 8 kV (HBM) and 800 V (MM)
• RoHS-compliant construction utilizing HE3_A technology
• Standardized ±5% Zener voltage tolerance

Single Zener Diodes Applications

• Automotive electronic circuits requiring robust voltage regulation
• Protection against electrostatic discharge events
• General-purpose voltage reference applications

Single Zener Diodes Procurement Notes

Verify that the ordering code includes the HE3_A suffix to confirm AEC-Q101 qualification status. Ensure the trailing digits match the required tape reel specifications for automated assembly processes. Confirm RoHS compliance documentation aligns with project environmental mandates before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when automotive-grade reliability and high ESD immunity are mandatory design constraints. The SOD-123 package provides a compact footprint suitable for space-constrained printed circuit board layouts. Verify that the 500 mW power dissipation rating meets the thermal management requirements of the target application environment.

Single Zener Diodes Part Context

This part belongs to the MMSZ5225 to MMSZ5267 series of small signal Zener diodes produced by Vishay Semiconductors. The series utilizes silicon planar technology and offers various voltage options within a standardized SOD-123 package format. The specific designation indicates a 10 V nominal breakdown voltage with commercial-to-automotive grade transition capabilities.

Single Zener Diodes Replacement Considerations

MMSZ5240B-E3-18

Single Zener Diodes FAQ

What is the ESD protection rating specified 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_A suffix affect the component's qualification?

The HE3_A suffix indicates that the device is RoHS-compliant and specifically qualified to the AEC-Q101 automotive standard.