1N4576-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4576-1/TR is a temperature-compensated Zener diode designed for precision voltage regulation. It features a nominal Zener voltage of 6.4 V with a tight tolerance of ±1%. The device operates in the DO-204AH (DO-35) axial through-hole package and supports a maximum power dissipation of 500 mW. Key electrical characteristics include a test current of 2 mA, a maximum reverse leakage current of 2 µA at 3 V, and a Zener impedance of 50 Ohms. It offers an extended operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Temperature compensated design ensures stable voltage reference across wide thermal variations
• High precision voltage tolerance for accurate regulation applications
• Robust axial leaded construction suitable for high-reliability environments

Single Zener Diodes Applications

• Precision voltage reference circuits requiring low drift
• Overvoltage protection in sensitive electronic systems
• Test and measurement equipment calibration standards

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration when ordering, as the -1 designation indicates military-grade reliability standards compared to commercial variants. Confirm RoHS compliance status, as this specific part number may not meet current environmental directives depending on the manufacturing batch date. Ensure the supplier provides traceability documentation required for defense or aerospace procurement contracts.

Single Zener Diodes Selection Notes

Select this component when strict voltage stability over extreme temperatures is critical. The 6.4 V output aligns with standard silicon bandgap references. Compare against non-compensated Zener diodes if thermal performance requirements are less stringent. Ensure the circuit design accommodates the 50 Ohm dynamic impedance to maintain regulation accuracy under varying load conditions.

Single Zener Diodes Part Context

This part belongs to the 1N4576 series of temperature-compensated Zener diodes manufactured by Microchip Technology. The series includes various voltage options within the 6.2 V to 6.8 V range, all sharing similar compensation techniques. The -1 suffix typically denotes enhanced reliability specifications, distinguishing it from standard commercial grade equivalents in the same voltage family.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers include 1N4576A-1/TR and 1N4577A-1/TR.