MMSZ5239C-E3-08

Single Zener Diodes Overview

The Vishay MMSZ5239C-E3-08 is a silicon planar Zener diode in the SOD-123 surface-mount package. It provides a nominal Zener voltage of 9.1 V with a tight tolerance of ±2%. The device operates at a test current of 20 mA and dissipates up to 500 mW. Key electrical parameters include a maximum reverse leakage current of 3 µA, a dynamic resistance of 10 Ω, and a temperature coefficient of +0.060 %/°C.

Single Zener Diodes Feature Summary

• High precision voltage regulation achieved through a ±2% Zener voltage tolerance.
• Robust electrostatic discharge protection exceeding 8 kV via human body model standards.
• Designed for high-reliability applications with AEC-Q101 qualification options available.

Single Zener Diodes Applications

• Precision voltage reference circuits
• Overvoltage protection stages
• Clamping applications in signal processing

Single Zener Diodes Procurement Notes

Verify that the specific ordering suffix matches the required tape-and-reel packaging configuration. Confirm RoHS compliance status and ensure the component meets the necessary environmental operating range specifications for the target application environment before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a stable 9.1 V reference with strict ±2% accuracy is required. Consider the low dynamic resistance for effective noise suppression. Evaluate thermal management requirements based on the 500 mW power dissipation limit and ambient operating conditions.

Single Zener Diodes Part Context

This part 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 values within the compact SOD-123 footprint for space-constrained designs.

Single Zener Diodes Replacement Considerations

MMSZ5239C-G3-18

Single Zener Diodes FAQ

What is the marking code for the MMSZ5239C-E3-08?

The device marking code is F.9.

Does the standard version support automotive qualification?

No, the base P/N-E3 designation indicates commercial grade; AEC-Q101 qualification requires the -HE3_A suffix.