MMSZ5259C-G3-18

Single Zener Diodes Overview

The MMSZ5259C-G3-18 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 39 V with a tight tolerance of ±2%. The device operates in the SOD-123 surface-mount package and supports a maximum power dissipation of 500 mW at 25 °C ambient temperature. Electrical characteristics include a test current of 3.2 mA, a reverse leakage current of 100 µA maximum at 30 V, and a dynamic resistance of 80 Ω. The component is RoHS-compliant, commercial grade, and rated for an operating temperature range from -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for stable voltage regulation
• Offers high precision with a ±2% Zener voltage tolerance
• Provides robust ESD protection exceeding 8 kV via Human Body Model

Single Zener Diodes Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• Clamping applications within signal processing paths

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the specific suffix requirements for your assembly line. Confirm the package type aligns with your PCB footprint design. Ensure compliance with environmental directives relevant to your target market. Validate thermal management strategies against the specified junction-to-ambient resistance values provided in the datasheet.

Single Zener Diodes Selection Notes

Select this component when a 39 V regulation point is required with strict tolerance limits. Consider the SOD-123 package dimensions for space-constrained layouts. Evaluate the thermal performance under continuous load conditions to ensure operation remains within the specified junction temperature limits. Compare dynamic resistance specifications against circuit sensitivity requirements.

Single Zener Diodes Part Context

This part belongs to the MMSZ5225-G through MMSZ5267-G series of small signal Zener diodes. The series covers a wide voltage range from 3.0 V to 75 V. Variants are available with different tolerance suffixes and tape-and-reel quantities. The G3 designation indicates RoHS compliance and lead-free construction for modern manufacturing processes.

Single Zener Diodes Replacement Considerations

MMSZ5259C-E3-18

Single Zener Diodes FAQ

What is the dynamic resistance of the MMSZ5259C-G3-18?

The dynamic resistance (ZZ) is typically 80 Ω at the test current of 3.2 mA.

Does the MMSZ5259C-G3-18 have AEC-Q101 qualification?

No, the standard G3 version is commercial grade. AEC-Q101 qualified versions are available upon request from the manufacturer.