2EZ190D10/TR8

Single Zener Diodes Overview

The Microsemi Corporation 2EZ190D10/TR8 is a silicon Zener diode with a nominal voltage of 190 V and a tolerance of ±10%. It operates in a DO-41 axial leaded package. The device provides a maximum rated Zener current of 10 mA at 100°C and withstands a non-recurrent surge current of 10 A. Maximum reverse leakage current is specified as 0.5 µA at 144.8 V, with a maximum Zener impedance of 2.6 Ω.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features flexible axial-lead mounting terminals for through-hole integration
• Withstands surge stresses and is nonsensitive to electrostatic discharge

Single Zener Diodes Applications

• Voltage regulation circuits requiring high-voltage stabilization
• Protection against transient overvoltage events
• Reference voltage generation in power supply designs

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration to confirm the exact tolerance level and packaging format required for the application. Ensure that the RoHS compliance status matches the project specifications, as standard versions may differ from e3 compliant variants. Confirm thermal derating requirements are met during installation to maintain reliability under continuous operation.

Single Zener Diodes Selection Notes

Select this component when a precise 190 V regulation point is needed with moderate tolerance. Consider the thermal resistance characteristics and ensure adequate heat sinking if operating near the maximum steady-state power dissipation limits. Verify that the forward voltage drop meets the circuit's biasing requirements.

Single Zener Diodes Part Context

This part belongs to the 2EZ series of silicon Zener diodes manufactured by Microsemi's Scottsdale Division. The series covers a wide voltage range from 3.6 V to 200 V in the DO-41 plastic package. Variants are available with different tolerance suffixes and screening levels for military applications.

Single Zener Diodes Replacement Considerations

Equivalent parts include other 190 V Zener diodes in the DO-41 package with matching power ratings and impedance characteristics. Verify electrical parameters such as Zener impedance and leakage current before substitution.