1N4712/TR

Overview

The Microchip Technology 1N4712/TR is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 28 V with a tolerance of 5%. The component operates in the DO-35 axial package, supporting through-hole mounting. It has a power dissipation rating of 0.25 W and maintains functionality across an extended temperature range from -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 50 nA and a test current of 50 uA.

Feature Summary

• Provides stable voltage regulation using a single Zener junction configuration
• Supports high-temperature operation up to 175°C for demanding environments
• Utilizes a standard DO-35 axial leaded package for reliable through-hole integration

Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• General-purpose voltage regulation tasks

Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm exact manufacturing lot specifications and compliance status. Ensure that the required packaging format aligns with production needs, as reel configurations may vary. Cross-reference the part number with authorized distributors to validate authenticity and current availability status before finalizing procurement plans.

Selection Notes

Select this component when a 28 V regulation point is required within a low-power constraint. The DO-35 package suits designs prioritizing compact through-hole assembly over surface mount alternatives. Evaluate thermal management requirements carefully, as the 0.25 W dissipation limit restricts usage in high-current scenarios compared to higher-wattage variants.

Part Context

This device belongs to the established 1N47xx series of Zener diodes manufactured by Microchip Technology. The series offers standardized voltage ratings for consistent performance across various industrial and commercial electronics. The TR suffix typically indicates tape and reel packaging, facilitating automated insertion processes in high-volume manufacturing environments.

Replacement Considerations

Consult official Microchip substitution guides for verified equivalents. Generic replacements must match the 28 V Zener voltage, 0.25 W power rating, and DO-35 package dimensions to ensure mechanical and electrical compatibility without circuit redesign.