1N4578-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4578-1/TR is a temperature-compensated Zener reference diode with a nominal voltage of 6.4 V and a tolerance of ±0.1%. It operates at a test current of 2 mA, dissipates up to 500 mW, and features a maximum reverse leakage current of 2 µA. The device utilizes a DO-35-2 axial leaded package for through-hole mounting and is supplied in a reel format.

Single Zener Diodes Feature Summary

• Temperature compensated design for minimal voltage change over temperature
• Internal metallurgical bond construction for enhanced reliability
• High precision voltage reference capability

Single Zener Diodes Applications

• Precision voltage reference circuits
• Temperature compensated oscillator references
• High accuracy measurement instrumentation

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets, as variations such as -1e3 or standard -1 may exist. Confirm that the reel packaging matches the required quantity multiples for production integration. Ensure the component meets all necessary environmental compliance standards for the intended application environment.

Single Zener Diodes Selection Notes

Select this component when high stability and low temperature drift are critical requirements. The internal metallurgical bond offers superior mechanical robustness compared to standard glass passivation. Verify that the 6.4 V nominal output aligns with the system's reference voltage needs and that the 500 mW power rating accommodates the operating conditions.

Single Zener Diodes Part Context

This part belongs to the 1N4565 through 1N4584A series of Zero-Temperature Coefficient (Zero-TC) reference diodes. These devices are engineered to provide stable voltage references across wide temperature ranges, making them suitable for applications where standard Zener diodes would exhibit unacceptable drift due to thermal changes.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers include 1N4578A-1e3/TR.