S3A-M3/9AT

Single Diodes Overview

The S3A-M3/9AT is a surface-mount glass-passivated silicon rectifier manufactured by Vishay General Semiconductor - Diodes Division. It belongs to the S3 series and utilizes the DO-214AB (SMC) package. The device features a maximum repetitive peak reverse voltage of 50 V and an average forward rectified current rating of 3 A. Key electrical characteristics include a low forward voltage drop and fast recovery performance with a typical reverse recovery time of 75 ns. The component is designed for high reliability and complies with RoHS standards, supporting automated placement in compact electronic assemblies.

Single Diodes Feature Summary

• Glass passivated chip junction for enhanced environmental stability and reliability
• Low profile surface mount package optimized for automated PCB placement
• Fast recovery characteristics suitable for high-frequency switching applications

Single Diodes Applications

• General purpose rectification in power supply circuits
• Freewheeling diode applications in inductive load protection
• DC-DC converter output rectification

Single Diodes Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm package type and compliance status. Ensure the ordering code matches the required tape-and-reel quantity specifications. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before procurement.

Single Diodes Selection Notes

Select this component when a 50 V blocking voltage and 3 A continuous current capacity are required in a compact SMC footprint. The fast recovery time makes it appropriate for higher frequency operations compared to standard rectifiers. Evaluate thermal management requirements based on the forward voltage drop at the expected operating current.

Single Diodes Part Context

This component is part of Vishay's S3 series of surface mount rectifiers, which offers various voltage ratings from 50 V to 1000 V within the same DO-214AB package family. The M3 suffix indicates lead-free termination and RoHS compliance, aligning with modern environmental regulations for electronic components used in global manufacturing supply chains.

Single Diodes Replacement Considerations

Direct substitutes within the same series include other S3 variants with different voltage ratings such as S3B or S3C, provided the circuit voltage constraints allow. Equivalent parts from other manufacturers utilizing the SMC package and matching the 50 V / 3 A / 75 ns specification may be considered after verifying pinout compatibility and thermal characteristics.