1EZ190D10E3/TR8

Overview

The 1EZ190D10E3/TR8 is a silicon Zener diode manufactured by Microsemi Corporation. It provides a nominal Zener voltage of 190 V with a tolerance of ±10%. The device is rated for a maximum power dissipation of 1 W and operates within a temperature range of -65°C to 150°C. It utilizes the DO-204AL (DO-41) axial leaded plastic package. The component is RoHS compliant, indicated by the e3 suffix, and is supplied in tape and reel packaging.

Feature Summary

• Provides stable voltage regulation at 190 V with 10% tolerance
• Capable of handling 1 W power dissipation in a compact axial package
• Operates reliably across an extended industrial temperature range

Applications

• Voltage reference circuits requiring high-voltage stability
• Overvoltage protection stages in power supplies
• Clamping applications in signal conditioning paths

Procurement Notes

Verify that the specific part number includes the E3 suffix to confirm RoHS compliance status. Confirm the TR8 suffix indicates the correct tape and reel packaging format required for automated assembly processes. Ensure the manufacturer designation matches Microsemi or its successor entity, Microchip, to guarantee authenticity and traceability of the silicon components.

Selection Notes

Select this component when a precise 190 V regulation point is necessary with moderate power handling capabilities. The DO-41 package offers robust mechanical mounting for through-hole implementations. Consider the 10% tolerance if tighter voltage accuracy is not critical for the specific circuit design requirements.

Part Context

This component belongs to the 1EZ series of single Zener diodes from Microsemi. These devices are designed for general-purpose voltage regulation and protection tasks. The series typically encompasses various voltage ratings within the same physical footprint, allowing for standardized board layouts across different product designs requiring distinct breakdown voltages.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific variant are not available in the provided documentation.