1N4571-1

Single Zener Diodes Overview

The Microchip Technology 1N4571-1 is a temperature-compensated Zener reference diode with a nominal voltage of 6.4 V and a tolerance of ±0.5%. It operates at a test current of 1 mA, dissipating up to 500 mW in a DO-35 axial package. The device features a low voltage temperature coefficient of 0.32 mV/°C and a maximum reverse leakage current of 2 µA. It maintains a Zener impedance of 100 Ohms and functions reliably within an operating temperature range of -55°C to +100°C.

Single Zener Diodes Feature Summary

• Temperature compensated design for stable reference voltage
• High precision voltage tolerance of ±0.5%
• Hermetic sealed construction for reliability

Single Zener Diodes Applications

• Precision voltage reference circuits
• Temperature compensated regulation systems
• Military and aerospace electronic instrumentation

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source, as this component is produced by multiple qualified vendors including Microchip and MACOM. Confirm that the received unit matches the required MIL-PRF-19500/452 standard if applicable. Ensure the package type corresponds to the DO-35 specification for through-hole mounting. Check for any specific lot traceability requirements mandated by your procurement policy.

Single Zener Diodes Selection Notes

Select this component when a highly stable 6.4 V reference is required under varying thermal conditions. The tight ±0.5% tolerance makes it suitable for precision applications where standard Zener diodes lack accuracy. Consider the 500 mW power dissipation limit and ensure adequate heat sinking or airflow if operating near maximum ratings.

Single Zener Diodes Part Context

This part belongs to the 1N4571 series of temperature-compensated Zener reference diodes. These devices are designed to provide a stable voltage output over a wide temperature range, making them superior to standard Zener diodes for reference applications. The series includes various packages and tolerance grades to meet different military and industrial specifications.

Single Zener Diodes Replacement Considerations

JANTXV1N4571-1 is a verified hermetically sealed equivalent from MACOM. JAN1N4571AUR-1 is a MELF package alternative from Compensated Devices Inc.