1N5401G

Overview

The SMC Diode Solutions 1N5401G is a general-purpose silicon rectifier diode designed for through-hole mounting in the DO-201AD axial package. It features a maximum repetitive peak reverse voltage of 100 V and an average forward rectified current rating of 3 A. The device exhibits a typical forward voltage drop of 1.1 V at 3 A and a low reverse leakage current of 5 µA at its rated voltage. Operating within a junction temperature range of -55°C to 150°C, it utilizes standard recovery technology with a reverse recovery time exceeding 500 ns.

Feature Summary

• Provides reliable rectification for general-purpose applications using standard silicon technology.
• Features a robust DO-201AD axial leaded package suitable for through-hole PCB assembly.
• Maintains stable performance across a wide operating temperature range from -55°C to 150°C.

Applications

• General-purpose power supply rectification
• Battery charging circuits
• DC power adapter output stages

Procurement Notes

Verify the specific manufacturer part number against official SMC Diode Solutions documentation to ensure authenticity. Confirm that the component meets required RoHS3 compliance standards for your region. Check datasheet specifications for thermal derating curves if operating near maximum junction temperatures. Ensure the DO-201AD package dimensions match your board layout constraints before finalizing procurement.

Selection Notes

Select this component when a 3 A current capacity and 100 V blocking voltage are required for through-hole designs. Consider the standard recovery speed characteristics for non-switching or low-frequency applications. Evaluate the thermal resistance of the DO-201AD package relative to your heat dissipation requirements. Compare the forward voltage drop against alternative diodes to optimize system efficiency.

Part Context

The 1N5401G belongs to the widely recognized 1N54xx series of general-purpose rectifiers manufactured by SMC Diode Solutions. This series provides standardized electrical characteristics compatible with legacy designs while offering modern manufacturing reliability. The DO-201AD package ensures compatibility with existing through-hole assembly processes and automated placement equipment commonly used in industrial electronics production.

Replacement Considerations

Cross-reference with other manufacturers' 1N5401 equivalents such as those from Vishay or Diotec. Verify that substitute parts maintain identical pinout configurations and mechanical dimensions for direct replacement. Ensure replacement components meet the same voltage and current ratings to prevent circuit failure under load conditions.