1A1

Overview

The 1A1 is a general-purpose silicon rectifier diode manufactured by SMC Diode Solutions, designed for through-hole mounting in the R-1 axial package. It features a maximum repetitive peak reverse voltage of 50 V and an average forward rectified current rating of 1 A. The component utilizes standard rectification technology with a specified junction temperature range extending from -65°C to +175°C. This device is intended for use in various power supply and conversion applications requiring reliable unidirectional current flow.

Feature Summary

• Through-hole axial construction for robust mechanical integration
• Standard silicon rectification technology for general-purpose use
• High thermal stability with extended junction temperature capability

Applications

• General-purpose power supply rectification
• DC-to-AC or AC-to-DC conversion circuits
• Polarity protection in electronic systems

Procurement Notes

Verify the specific manufacturer datasheet for the 1A1 part number to confirm exact electrical parameters, as availability varies across distributors. Ensure the R-1 axial package matches your PCB footprint requirements. Confirm compliance with relevant environmental directives such as RoHS before finalizing procurement orders for production runs.

Selection Notes

Select this component when a 50 V reverse voltage rating and 1 A continuous current capacity are required for through-hole implementations. The R-1 package offers a compact axial form factor suitable for legacy or high-vibration environments where surface mount options may be less desirable. Evaluate thermal management needs based on the specified junction temperature limits.

Part Context

SMC Diode Solutions specializes in discrete semiconductor devices, including silicon and silicon carbide power components. The 1A1 belongs to their general-purpose rectifier lineup, which provides cost-effective solutions for basic power conversion tasks. This product line supports various industrial and consumer electronics applications requiring reliable diode performance.

Replacement Considerations

Consult official substitution guides for equivalent 50 V, 1 A axial rectifiers. Verify pin compatibility and thermal characteristics when replacing with parts from other manufacturers to ensure circuit integrity.