1N4574-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4574-1/TR is a temperature-compensated Zener reference diode featuring a nominal voltage of 6.4 V with a tight tolerance of ±0.1%. It operates at a test current of 0.5 mA and dissipates up to 500 mW. The device utilizes a DO-213AA (SOD-80) surface-mount package and includes an internal metallurgical bond for enhanced reliability. It supports a wide operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Temperature compensated design providing minimal voltage change over broad temperature ranges
• Internal metallurgical bond construction for superior mechanical stability
• High precision voltage reference capability with tight initial tolerance

Single Zener Diodes Applications

• Precision voltage reference circuits requiring high thermal stability
• Military and aerospace electronic systems demanding ruggedized components
• Calibration equipment utilizing stable reference voltages

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets, as suffixes define critical attributes such as military qualification, packaging type, and bond construction. Confirm RoHS compliance status and lead times directly with the manufacturer or authorized distributors, as these parameters are subject to change based on production schedules and regulatory updates.

Single Zener Diodes Selection Notes

Select this component when a highly stable 6.4 V reference is required in a compact surface-mount form factor. Ensure the application environment does not exceed the specified maximum junction temperature. Compare against standard Zener diodes if temperature compensation is unnecessary, noting that this part offers superior drift characteristics due to its specialized construction.

Single Zener Diodes Part Context

This part belongs to the 1N4565 through 1N4584 series of Zero-Temperature Coefficient Reference Diodes. These devices are designed to provide stable reference voltages across extreme environmental conditions. The series is widely recognized in high-reliability industries for its consistent performance and robust physical construction compared to standard general-purpose Zener diodes.

Single Zener Diodes Replacement Considerations

Public confirmed substitutes include JANTX1N4574AUR-1 and CDLL4574A/TR. Verify pinout compatibility and exact voltage tolerance specifications before substitution.