1N1401

Single Diodes Overview

The Microchip Technology 1N1401 is a standard rectifier diode designed for general-purpose applications. It utilizes a silicon planar junction construction and is housed in the DO-203AA (DO-5) axial leaded package, suitable for stud mounting or through-hole PCB integration. The device provides reliable unidirectional current flow with defined forward voltage characteristics and reverse leakage limits under specified thermal conditions.

Single Diodes Feature Summary

• Standard rectification functionality using silicon planar technology
• Robust axial leaded package design for secure mechanical mounting
• Engineered for stable operation across industrial temperature ranges

Single Diodes Applications

• General-purpose power supply rectification circuits
• DC power conversion stages
• Basic electronic signal demodulation

Single Diodes Procurement Notes

Verify the specific manufacturer source when sourcing this legacy part number, as production may be managed by various authorized entities holding the JEDEC designation rights. Confirm RoHS compliance status directly with the supplier, as historical variants of this component type often differ in environmental certification compared to modern equivalents. Ensure the package style matches the intended assembly method.

Single Diodes Selection Notes

Select this component for designs requiring a proven, high-reliability silicon rectifier where cost-effectiveness is prioritized over miniaturization. The axial leaded form factor supports traditional manufacturing processes. Evaluate thermal dissipation requirements against the package's surface area capabilities to ensure safe operating temperatures during continuous conduction periods.

Single Diodes Part Context

The 1N1401 belongs to the family of standard glass-passivated silicon junction rectifiers defined by JEDEC standards. These components are widely recognized for their durability and consistent electrical performance in low-to-medium frequency applications. The designation ensures interchangeability across manufacturers adhering to the same physical and electrical specifications.

Single Diodes Replacement Considerations

Substitute parts must match the DO-203AA package dimensions and meet identical peak inverse voltage and average forward current ratings. Verify that any alternative maintains the same thermal resistance characteristics to prevent overheating in existing heat sink configurations.