1N4001

Single Diodes Overview

The SMC Diode Solutions 1N4001 is a general-purpose silicon rectifier diode designed for AC-to-DC conversion in power supply circuits. It features a maximum average forward rectified current of 1.0 A and a maximum repetitive peak reverse voltage of 50 V. The device utilizes a DO-204AL (DO-41) axial leaded plastic package, offering reliable performance across a wide operating temperature range from -55°C to +175°C junction temperature. Key electrical characteristics include a low forward voltage drop at rated current and minimal reverse leakage current, ensuring efficient energy transfer and stable operation under standard industrial conditions.

Single Diodes Feature Summary

• Utilizes glass passivated junction construction for enhanced stability and reliability under varying thermal conditions
• Features high surge current capability to withstand transient load spikes during startup or fault conditions
• Encapsulated in a UL recognized flame-retardant plastic housing compliant with flammability standards

Single Diodes Applications

• General purpose rectification in AC/DC power supply adapters
• Free-wheeling diodes in inductive load switching circuits
• Polarity protection in DC input circuits

Single Diodes Procurement Notes

Verify the specific manufacturer marking code on the component body to confirm origin from SMC Diode Solutions, as the 1N4001 designation is widely used by multiple vendors. Ensure the datasheet provided matches the exact suffix if present, as packaging and minor electrical tolerances may vary between production batches. Cross-reference the date code and lot number against the manufacturer's traceability records to guarantee authenticity and compliance with RoHS directives where applicable.

Single Diodes Selection Notes

Select this component when a robust, cost-effective solution is required for low-frequency rectification applications up to 1 kHz. The 50 V reverse voltage rating provides sufficient margin for 30 V AC systems. Consider the DO-41 package constraints regarding PCB mounting space and thermal dissipation requirements compared to surface-mount alternatives. Evaluate the forward voltage drop impact on overall system efficiency at the expected operating current levels.

Single Diodes Part Context

This component belongs to the industry-standard 1N400x series of silicon rectifiers, which are foundational discrete semiconductors used globally. While many manufacturers produce variants, SMC Diode Solutions positions this part within their portfolio of general-purpose power management devices. The series is characterized by its standardized pinout and electrical ratings, facilitating easy replacement in legacy designs and new consumer electronics developments requiring simple rectification functions.

Single Diodes Replacement Considerations

Direct substitutes include parts from other manufacturers such as Vishay (1N4001), Littelfuse (1N4001), and ON Semiconductor (1N4001). Verify that replacement units maintain identical package dimensions (DO-41) and lead spacing to ensure mechanical compatibility without PCB modification. Confirm that the substitute's reverse leakage current and forward voltage specifications meet or exceed the original design requirements.