1N4446

Overview

The Fairchild Semiconductor 1N4446 is a small signal diode housed in the DO-35 axial package. It features a maximum average forward rectified current of 200mA and a repetitive peak reverse voltage of 75V to 100V depending on the specific datasheet revision. The device utilizes silicon construction for standard rectification applications.

Feature Summary

• Standard polarity configuration for general-purpose rectification
• Axial leaded package design for through-hole mounting

Applications

• General purpose rectification circuits
• Small signal switching applications

Procurement Notes

Verify the exact Reverse Voltage rating (75V vs 100V) against the specific manufacturer datasheet revision, as sources vary. Confirm the package type is DO-35 or DO-204AH equivalent. Ensure compliance with RoHS standards if required by the application specifications.

Selection Notes

Select this component for low-current DC rectification tasks requiring a standard silicon junction. The 200mA current capacity suits low-power signal processing. Verify thermal management requirements are minimal due to the small package size and low power dissipation characteristics.

Part Context

This part belongs to the family of small signal diodes manufactured by Fairchild Semiconductor. It serves as a discrete semiconductor component for basic electronic circuitry. The DO-35 package provides a compact form factor suitable for dense PCB layouts.

Replacement Considerations

Equivalent parts include 1N914 and 1N4148, provided the reverse voltage ratings meet the circuit requirements. Verify that substitute components offer comparable forward current capabilities and switching speeds.