1N4910

Overview

The Microchip Technology 1N4910 is a temperature-compensated Zener diode designed for precision voltage regulation applications. It features a nominal Zener voltage of 12.8 V with a tight tolerance of 5%. The device operates in the DO-7-2 through-hole package and supports a maximum power dissipation of 400 mW. It exhibits a low voltage temperature coefficient of 0.002 %/°C, ensuring stable performance across a wide operating temperature range from -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 15 µA and a Zener impedance of 50 Ohms at a test current of 4 mA.

Feature Summary

• Temperature compensation provides high stability against thermal variations
• Low voltage temperature coefficient ensures precise reference accuracy
• Robust construction supports extreme environmental operating conditions

Applications

• Precision voltage reference circuits
• Temperature-compensated regulator designs
• High-reliability aerospace and defense systems

Procurement Notes

Verify component authenticity by checking manufacturer markings and datasheet alignment. Confirm RoHS status as non-compliant per official specifications. Ensure procurement channels are authorized to guarantee traceability and quality assurance for critical applications requiring strict compliance standards.

Selection Notes

Select this component when stable voltage regulation under varying thermal conditions is required. The DO-7-2 package suits through-hole mounting requirements. Consider the 5% voltage tolerance and 400 mW power rating during circuit design to ensure adequate margin for specific load and thermal management needs.

Part Context

This part belongs to Microchip's discrete semiconductor portfolio, specifically within the Zener diode category. It serves as a specialized voltage reference solution distinct from standard rectifier or general-purpose diodes. The product line targets industries demanding high reliability and consistent electrical performance over extended temperature ranges.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Verify pinout compatibility and electrical parameter equivalence before implementation.