1N3155-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N3155-1/TR is a temperature-compensated Zener reference diode featuring an 8.4 V nominal voltage with a low temperature coefficient of 0.005 %/°C. It operates at a test current of 10 mA, providing stable voltage regulation across a wide temperature range from -65°C to +175°C. The device utilizes a DO-204AA (DO-7) axial leaded package and offers a maximum reverse leakage current of 10 µA. Designed for precision applications, it ensures minimal voltage change with temperature variations.

Single Zener Diodes Feature Summary

• Temperature compensated design for minimal voltage drift
• Wide operating temperature range suitable for harsh environments
• Low temperature coefficient for high stability

Single Zener Diodes Applications

• Precision voltage references in measurement systems
• Temperature compensation circuits
• High-stability power supply regulation

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm tape-and-reel packaging availability. Ensure the component meets required military or commercial qualification standards if applicable. Cross-reference the manufacturer part number with authorized distributors to confirm current production status and compliance documentation before procurement.

Single Zener Diodes Selection Notes

Select this component when a stable 8.4 V reference with ultra-low temperature drift is required. Consider the DO-7 package constraints for board layout. Verify that the 10 mA test current aligns with the circuit's biasing capabilities. Evaluate the 175°C maximum junction temperature against the intended operational environment.

Single Zener Diodes Part Context

This component belongs to the 1N3154 through 1N3157 series of zero-TC reference diodes. These devices are designed to provide precise voltage references with minimal sensitivity to thermal changes. The series is widely used in applications demanding high accuracy and long-term stability under varying thermal conditions.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for compatible equivalents within the same series. Verify pinout compatibility and electrical parameter alignment before replacing.