UZ111

Single Zener Diodes Overview

The UZ111 is a high-power Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal breakdown voltage of 110 V with a maximum power dissipation rating of 3 W. The device exhibits a tolerance of ±10% and a maximum impedance (Zzt) of 250 Ohms. Reverse leakage current is specified at 1 µA when measured at 83.6 V. The component supports an extensive operating temperature range from -65°C to 175°C, ensuring reliability in demanding thermal environments.

Single Zener Diodes Feature Summary

• High power handling capability with a 3 W dissipation rating
• Extended operational temperature range suitable for harsh environments
• Precision voltage regulation with defined impedance characteristics

Single Zener Diodes Applications

• Industrial voltage regulation circuits
• Automotive electronics requiring high thermal stability
• Aerospace and defense power systems

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix and package configuration directly with Microchip Technology or authorized distributors before procurement. Confirm that the requested part matches the exact electrical specifications required for your design, particularly regarding the 3 W power rating and axial leaded format. Ensure compliance with RoHS status and any applicable trade compliance codes such as EAR99 for international shipping requirements.

Single Zener Diodes Selection Notes

Select the UZ111 when a robust 110 V reference is needed in high-temperature scenarios. Its 3 W rating allows for significant power handling compared to standard small-signal Zeners. Consider the axial package form factor for through-hole mounting constraints. Verify that the 250 Ohm impedance meets the noise and regulation requirements of the target application circuit.

Single Zener Diodes Part Context

This component belongs to Microchip's discrete semiconductor portfolio, specifically within the Zener diodes category. It serves as a voltage regulator element in power management and signal conditioning circuits. The product line emphasizes reliability for industrial and automotive sectors where long-term stability under thermal stress is critical.

Single Zener Diodes Replacement Considerations

Consult official Microchip documentation for verified cross-reference part numbers. Do not substitute based on generic parameter matching alone; verify pinout compatibility and thermal resistance characteristics with approved alternatives.