MMSZ5242C-HE3_A-08

Single Zener Diodes Overview

The MMSZ5242C-HE3_A-08 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 12 V with a tight tolerance of ± 2 %. The device operates at a test current of 20 mA and dissipates up to 500 mW in the SOD-123 surface-mount package. It is AEC-Q101 qualified for automotive applications, featuring an ESD capability exceeding 8 kV (HBM) and 800 V (MM). The component supports a junction temperature range from -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive reliability standards
• High electrostatic discharge protection exceeding 8 kV human body model
• Tight Zener voltage tolerance of ± 2 % for precision regulation
• RoHS-compliant construction without halogenated substances

Single Zener Diodes Applications

• Precision voltage reference circuits
• Overvoltage protection in automotive electronics
• Clamping and transient suppression networks
• Voltage regulator biasing stages

Single Zener Diodes Procurement Notes

Verify that the ordering code includes the HE3_A suffix to confirm AEC-Q101 qualification and automotive grade status. Ensure the C suffix is present to guarantee the required ± 2 % Zener voltage tolerance. Confirm the -08 tape and reel packaging specification matches automated assembly requirements before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when strict voltage accuracy within ± 2 % is mandatory for circuit performance. The HE3_A designation indicates suitability for environments requiring automotive-grade reliability and specific material compliance. Verify that the 500 mW power dissipation rating aligns with the thermal management capabilities of the target printed circuit board layout.

Single Zener Diodes Part Context

This part belongs to the MMSZ5225 to MMSZ5267 series of small signal Zener diodes. The series utilizes silicon planar technology housed in the compact SOD-123 package. The product line offers various voltage options and tolerance grades, with the HE3_A variant specifically engineered to meet rigorous automotive industry qualification standards.

Single Zener Diodes Replacement Considerations

MMSZ5242C-E3-08

Single Zener Diodes FAQ

What is the maximum ESD protection rating specified for this component?

The device meets AEC-Q101 standards with an ESD capability greater than 8 kV using the Human Body Model and greater than 800 V using the Machine Model.

How does the 'C' suffix affect the electrical characteristics compared to the 'B' suffix?

The 'C' suffix designates a standard Zener voltage tolerance of ± 2 %, whereas the 'B' suffix corresponds to a wider tolerance of ± 5 %.