1N4100D-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4100D-1/TR is a 500 mW metallurgically bonded glass Zener diode with a nominal voltage of 7.5 V and a tight tolerance of ±1%. It operates in the axial-lead DO-35 (DO-204AH) package, featuring a maximum dynamic impedance of 200 Ohms and a reverse leakage current of 5.7 µA at 6.7 V. The device supports an operating temperature range from -65°C to +175°C and includes a tape-and-reel suffix for automated surface mounting.

Single Zener Diodes Feature Summary

• Features an internal metallurgical bond for enhanced structural integrity and reliability.
• Provides stable voltage regulation across broad ranges of current and temperature variations.
• Offers minimal capacitance characteristics suitable for high-frequency applications.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise regulation.
• High-reliability aerospace and defense systems.
• Overvoltage protection in sensitive electronic equipment.

Single Zener Diodes Procurement Notes

Verify that the specific part number matches the required 1% tolerance designation and tape-and-reel packaging configuration. Confirm compliance with MIL-PRF-19500/435 standards if military-grade qualification is necessary for the intended application environment.

Single Zener Diodes Selection Notes

Select this component when a 7.5 V Zener voltage with strict ±1% tolerance is required. Ensure the design accommodates the 500 mW power dissipation limit and the thermal derating curve provided in the datasheet for ambient temperatures above 25°C.

Single Zener Diodes Part Context

This device belongs to the 1N4099-1 through 1N4135-1 series of 500 mZener regulators. It is available in various reliability levels including JAN, JANTX, JANTXV, and JANS, catering to commercial and high-reliability markets.

Single Zener Diodes Replacement Considerations

Equivalent parts include 1N4100-1 for standard tolerance or 1N4100C-1 for 2% tolerance. Verify package compatibility and electrical parameters before substitution.

Single Zener Diodes FAQ

What does the 'D' suffix indicate in the part number?

The 'D' suffix denotes a Zener voltage tolerance of ±1%, providing tighter precision than the standard 5% version.

Is the 1N4100D-1/TR radiation hard?

Yes, the device is inherently radiation hard as described in Microsemi MicroNote 050.