1N4960DUS

Overview

The Microchip Technology 1N4960DUS is a general-purpose silicon rectifier diode designed for high-reliability applications. It features a maximum average forward rectified current of 1.0 ampere and a peak repetitive reverse voltage rating of 50 volts. The device utilizes a DO-213AA (SMB) surface-mount package, providing robust mechanical stability for automated assembly processes. Key electrical characteristics include a maximum DC reverse leakage current of 5.0 microamperes at rated voltage and a low forward voltage drop of 1.1 volts at full load current. The junction temperature range extends from -65°C to +175°C, ensuring operational reliability across diverse environmental conditions.

Feature Summary

• High thermal stability with an extended operating junction temperature range up to 175°C
• Surface-mount construction in a compact DO-213AA package for efficient PCB space utilization
• Low forward voltage drop characteristics to minimize power dissipation during conduction
• Robust surge current capability to withstand transient overloads without failure

Applications

• General-purpose rectification in AC-to-DC power supply circuits
• Reverse polarity protection in battery-powered electronic devices
• Freewheeling diodes in inductive load switching applications
• Clamping diodes in signal processing and logic interface circuits

Procurement Notes

Verify the specific suffix 'DUS' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure that the ordering information matches the required quantity per reel and packaging format. Cross-reference the date code and lot number with quality certificates if traceability is required for your application. Confirm compliance with RoHS directives and other relevant regulatory standards applicable to your region before finalizing procurement.

Selection Notes

Select this component when a surface-mount solution is required for standard rectification tasks involving currents up to 1A. Consider the 50V reverse voltage rating to ensure adequate margin above the maximum circuit operating voltage. Evaluate the thermal management requirements based on the SMB package's heat dissipation capabilities. Compare the forward voltage drop and leakage current specifications against alternative diodes to optimize efficiency and performance in the specific design context.

Part Context

The 1N4960 series represents a family of general-purpose silicon rectifiers known for their reliability and widespread use in consumer and industrial electronics. The 'DUS' suffix typically denotes a specific surface-mount variant within this lineage, adapting the traditional through-hole performance into a modern PCB assembly format. This part bridges legacy design requirements with contemporary manufacturing techniques, maintaining the core electrical characteristics while offering improved automation compatibility and reduced footprint.

Replacement Considerations

Direct replacements must match the 1.0A current rating, 50V reverse voltage, and DO-213AA package. Verify equivalent forward voltage and leakage current specifications to ensure circuit compatibility. Consult manufacturer substitution guides for cross-references from other vendors producing identical or superior specifications.