3EZ3.9D2/TR8

Single Zener Diodes Overview

The 3EZ3.9D2/TR8 is a single Zener diode manufactured by Microsemi Corporation, designed for through-hole mounting in the DO-204AL (DO-41) axial package. It features a nominal Zener voltage of 3.9 V with a maximum power dissipation of 3 W. The component operates within a temperature range of -65°C to 150°C and has a specified reverse leakage current of 10 µA at 1 V. The forward voltage is 1.2 V at 200 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation via Zener breakdown characteristics
• Constructed for robust through-hole axial leaded installation
• Capable of handling high thermal loads up to 150°C junction temperature

Single Zener Diodes Applications

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

Single Zener Diodes Procurement Notes

Verify RoHS compliance status carefully as documentation indicates non-compliance for this specific suffix variant. Confirm availability through authorized channels given potential obsolescence or discontinuation notices associated with legacy Microsemi product lines. Ensure packaging type matches TR8 reel specifications for automated assembly processes.

Single Zener Diodes Selection Notes

Select this component when a 3.9 V regulation point is required in a DO-41 package. Consider the 3 W power rating for thermal management requirements. Verify that the ±tolerance meets circuit precision needs. Check compatibility with existing PCB footprints designed for axial leads.

Single Zener Diodes Part Context

This part belongs to the Microsemi 3EZ series of Zener diodes, which are general-purpose rectifiers and regulators. The series offers various voltage ratings and power dissipations in standard axial packages. Microsemi, now part of Microchip Technology, produces these components for industrial and commercial applications.

Single Zener Diodes Replacement Considerations

Check for equivalents such as 3EZ3.9D5/TR8 or 3EZ3.9D10E3/TR8 from the same manufacturer family. Ensure substitute parts match the 3.9 V Zener voltage, 3 W power rating, and DO-204AL package dimensions. Verify electrical parameters like impedance and leakage current align with original design specifications.