1N4101/TR

Single Zener Diodes Overview

The Microchip Technology 1N4101/TR is a 500 mW Zener voltage regulator featuring an internal metallurgical bond within a hermetically sealed axial-lead glass DO-35 (DO-204AH) package. It provides an 8.2 V nominal Zener voltage with a standard ±5% tolerance, tested at 250 µA. The device exhibits a maximum dynamic impedance of 200 Ohms and a reverse leakage current of 6.3 µA at 6.3 V. Operating across a temperature range of -65°C to +175°C, it offers a positive temperature coefficient of +0.070 %/°C and a maximum noise density of 40 µV/√Hz.

Single Zener Diodes Feature Summary

• Internal metallurgical bond construction for high reliability
• Hermetically sealed glass axial-lead package
• Low noise density characteristics
• Wide operating temperature range

Single Zener Diodes Applications

• Voltage regulation over broad current and temperature ranges
• High reliability military applications
• Radiation-hardened circuit designs

Single Zener Diodes Procurement Notes

Verify the specific qualification level required, as the base part number corresponds to commercial grade while suffixes indicate MIL-PRF-19500/435 levels. Confirm RoHS compliance status if applicable, noting that certain finishes are available on commercial grades only. Ensure the TR suffix requirement matches the reel packaging specifications provided in the datasheet.

Single Zener Diodes Selection Notes

Select this component when a stable 8.2 V reference is needed with low noise and high thermal stability. The positive temperature coefficient suits applications where voltage increases with heat. Consider the 500 mW power dissipation limit and derating curves for thermal management. Verify lead length requirements against the specified 3/8 inch mounting distance for accurate thermal resistance calculations.

Single Zener Diodes Part Context

This device belongs to the 1N4099 through 1N4135 series of 500 mW metallurgically bonded glass Zener diodes. These components are JEDEC registered and offer extensive voltage selection from 1.8 to 100 V. The series supports various reliability qualifications, including JAN, JANTX, JANTXV, and JANS levels, catering to diverse industrial and aerospace needs.

Single Zener Diodes Replacement Considerations

Equivalent parts include JAN1N4101-1, JANTX1N4101-1, JANTXV1N4101-1, and JANS1N4101-1. These variants share identical electrical characteristics but differ in qualification levels per MIL-PRF-19500/435. Surface mount equivalents are available in the 1N4099UR-1 series using the DO-213AA package.