2EZ3.9D10E3/TR8

Single Zener Diodes Overview

The Microsemi 2EZ3.9D10E3/TR8 is a Zener diode with a nominal voltage of 3.9V and a tolerance of ±5%. It features a maximum power dissipation of 200mW at ambient temperature. The device operates within a junction temperature range of -65°C to +175°C and has a maximum reverse leakage current of 5µA at the rated voltage. It utilizes an SOD-123 surface-mount package, designed for compact circuit layouts.

Single Zener Diodes Feature Summary

• High thermal stability across extended operating temperatures
• Compact surface-mount footprint for space-constrained designs
• Low leakage current characteristics

Single Zener Diodes Applications

• Voltage reference circuits
• Over-voltage protection
• Clamping applications in low-power electronics

Single Zener Diodes Procurement Notes

Verify the complete part number including suffixes such as TR8 for tape-and-reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation or certified datasheets prior to procurement. Ensure storage conditions align with moisture sensitivity levels specified in the component data sheet to prevent package damage during assembly processes.

Single Zener Diodes Selection Notes

Select this component when a precise 3.9V regulation point is required in low-power applications. Consider the 200mW power rating against expected load currents to ensure operation within safe thermal limits. Evaluate the SOD-123 package dimensions against available PCB real estate constraints before finalizing the design integration.

Single Zener Diodes Part Context

This component belongs to the Microsemi (formerly Microchip) standard Zener diode family. These devices are engineered for general-purpose voltage regulation and protection tasks. The specific model integrates established semiconductor manufacturing techniques to deliver reliable performance in consumer and industrial electronic systems requiring stable DC voltage references.

Single Zener Diodes Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure replacement parts match the 3.9V nominal voltage, ±5% tolerance, 200mW power rating, and SOD-123 package type. Verify electrical characteristics and pinout compatibility before implementation.