1N4117UR-1

Single Zener Diodes Overview

The Microchip Technology 1N4117UR-1 is a surface-mount Zener diode designed for voltage regulation applications. It features a DO-213AA (SMB) package and operates within a temperature range of -65°C to 175°C. The device provides a nominal Zener voltage of 25V with a maximum power dissipation of 500mW. Key electrical characteristics include a reverse leakage current of 10nA at 42.6V, a forward voltage of 1.1V at 200mA, and a maximum impedance of 300 Ohms.

Single Zener Diodes Feature Summary

• Internal metallurgical bond construction for enhanced reliability
• Surface mount design equivalent to JEDEC registered axial-leaded series
• Qualified for high-reliability military environments

Single Zener Diodes Applications

• Voltage regulation in aerospace systems
• Overvoltage protection circuits
• Reference voltage generation in harsh environments

Single Zener Diodes Procurement Notes

Verify the specific suffix '-1' indicates internal metallurgical bonding, which distinguishes this component from non-bonded commercial variants. Confirm that the required qualification level meets project specifications, as this part is intended for high-reliability applications. Ensure compatibility with the DO-213AA footprint during PCB layout.

Single Zener Diodes Selection Notes

Select this component when a robust surface-mount Zener diode is required for critical voltage regulation tasks. The internal metallurgical bond offers superior performance compared to standard glass passivated diodes. Consider the 500mW power rating and 25V breakdown voltage to ensure adequate margin for the target circuit design.

Single Zener Diodes Part Context

This device belongs to the 1N4099UR-1 through 1N4135UR-1 series of metallurgically bonded glass surface mount Zener diodes. These components serve as surface-mount equivalents to traditional axial-leaded regulators, providing similar electrical characteristics in a compact form factor suitable for modern electronic assemblies.

Single Zener Diodes Replacement Considerations

• 1N4117UR-1/TR

Single Zener Diodes FAQ

What does the '-1' suffix signify in the part number?

The '-1' suffix indicates that the diode features an internal metallurgical bond, distinguishing it from non-bonded types available in the same series.

Is this component qualified for military use?

Yes, the 1N4117UR-1 is qualified per MIL-PRF-19500/435 standards for high-reliability applications.