1N4474D

Single Zener Diodes Overview

The Microchip Technology 1N4474D is a Zener diode designed for voltage regulation applications. It features an axial through-hole mounting style within a DO-41 package. The device specifies a nominal Zener voltage of 33 V with a tight tolerance of 1%. It supports a power dissipation of 1.5 W and operates across a temperature range from -65 °C to +175 °C. Key electrical characteristics include a maximum reverse leakage current of 50 nA, a Zener impedance of 25 Ohms, and a test current of 7.5 mA.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with 1% tolerance
• Supports high-temperature operation up to 175 °C
• Utilizes robust axial leaded construction

Single Zener Diodes Applications

• Precision voltage reference circuits
• Overvoltage protection systems
• Power supply regulation modules

Single Zener Diodes Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm exact manufacturing lot details and compliance status. Ensure that the procurement channel provides valid traceability records. Confirm that the component meets all required environmental standards for the intended deployment environment before finalizing acquisition.

Single Zener Diodes Selection Notes

Select this component when a stable 33 V reference with high precision is required in through-hole designs. The 1% tolerance makes it suitable for sensitive analog circuits. Evaluate the thermal management requirements given the 1.5 W dissipation capability and the extended operating temperature range to ensure reliable performance under load.

Single Zener Diodes Part Context

This part belongs to the standard Zener diode family produced by Microchip Technology. It serves as a fundamental passive component for establishing fixed voltage levels in electronic circuits. The DO-41 package offers mechanical stability for automated assembly processes while maintaining compatibility with traditional printed circuit board layouts.

Single Zener Diodes Replacement Considerations

Consult official cross-reference guides for verified substitutes. Ensure any alternative maintains identical voltage, tolerance, and package specifications.