1N4721

Overview

The Microchip Technology 1N4721 is a silicon rectifier diode designed for general-purpose applications. It features a through-hole axial package configuration suitable for standard PCB mounting. The device provides a maximum DC reverse voltage of 200 V and supports an average rectified current of 3 A. This component utilizes standard technology to ensure reliable performance in power supply circuits and other electronic systems requiring robust rectification capabilities.

Feature Summary

• Standard silicon rectifier construction
• Through-hole axial leaded package
• General-purpose electrical characteristics

Applications

• Power supply rectification
• General electronic circuit protection
• AC to DC conversion stages

Procurement Notes

Verify the manufacturer source, as multiple vendors including Microchip, Microsemi, and New Jersey Semi-Conductor Products produce this part number. Confirm the specific datasheet version matches your design requirements. Ensure the axial package dimensions align with your board layout constraints before finalizing procurement decisions.

Selection Notes

Select this component when a 200 V reverse voltage rating and 3 A continuous current capacity are required. The axial through-hole format is appropriate for prototyping or high-reliability applications where surface mount options are unsuitable. Compare thermal dissipation needs against the package's heat handling capabilities.

Part Context

This part belongs to the broader category of single silicon rectifiers. It shares the 1N47xx series designation structure used by various manufacturers. The component serves as a fundamental building block in low-to-medium power electronics, offering a balance of voltage blocking capability and current handling for standard industrial and consumer applications.

Replacement Considerations

Equivalent parts include those from Microsemi Corporation and New Jersey Semi-Conductor Products, Inc., which share identical specifications. Verify pinout compatibility and package dimensions when substituting between different original equipment manufacturers.