MMSZ5237C-G3-18

Single Zener Diodes Overview

The MMSZ5237C-G3-18 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides an 8.2 V nominal Zener voltage with a ±2% tolerance, tested at 20 mA. The device dissipates up to 500 mW and operates within a temperature range of -55 °C to +150 °C. Packaged in an SOD-123 surface-mount housing, it features a maximum reverse leakage current of 3 µA at 6.5 V and a dynamic resistance of 8 Ω.

Single Zener Diodes Feature Summary

• Silicon planar construction for reliable voltage regulation
• High ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
• RoHS-compliant commercial grade material categorization

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection stages
• Clamping applications in signal processing

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against project requirements before procurement. Confirm that the ordering code matches the desired tolerance and reel packaging specifications. Ensure compliance with environmental directives relevant to the deployment region. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability.

Single Zener Diodes Selection Notes

Select this component when precise voltage regulation is required in compact designs. The tight ±2% tolerance makes it suitable for sensitive analog interfaces. Evaluate thermal management needs based on the 500 mW dissipation limit. Consider the SOD-123 footprint constraints during PCB layout planning.

Single Zener Diodes Part Context

This device belongs to the MMSZ5225-G to MMSZ5267-G series of small signal Zener diodes. The series offers a wide range of nominal voltages from 3.0 V to 75 V. Standard variants provide ±5% tolerance, while 'C' suffix versions offer tighter ±2% accuracy. All units utilize the standardized SOD-123 package format.

Single Zener Diodes Replacement Considerations

MMSZ5237B-E3-18

Single Zener Diodes FAQ

What is the ESD protection rating?

The device meets AEC-Q101 standards with Human Body Model protection greater than 8 kV and Machine Model protection greater than 800 V.

How does the marking code appear?

The marking consists of a type code representing the voltage value followed by a date code identifier.