STPS3L40S - STMicroelectronics

Manufacturer Part Number

STPS3L40S

Manufacturer

STMicroelectronics

Introduction

The STPS3L40S is a Schottky rectifier diode designed for high-efficiency power conversion applications.

Product Features and Performance

Fast recovery time of ≤ 500 ns

High current capability of up to 3A average rectified current

Low forward voltage drop of 500 mV at 3A

Capable of operating at up to 150°C junction temperature

Suitable for high-frequency switch-mode power supply (SMPS) and freewheeling applications

Product Advantages

Excellent efficiency due to low forward voltage

High-speed switching performance

Robust design for reliable operation

Compact surface-mount package

Key Technical Parameters

Reverse Voltage (Vr): 40V

Forward Voltage (Vf): 500mV @ 3A

Reverse Leakage Current (Ir): 100μA @ 40V

Average Rectified Current (Io): 3A

Recovery Time (trr): ≤ 500ns

Quality and Safety Features

RoHS3 compliant

Qualified to industry standards

Reliable and durable construction

Compatibility

Suitable for various power conversion and freewheeling applications

Can be used in a wide range of electronic devices and systems

Application Areas

Switch-mode power supplies (SMPS)

Freewheeling diode applications

High-frequency power conversion circuits

Industrial, consumer, and automotive electronics

Product Lifecycle

This product is currently in active production and available for purchase.

Replacement or upgraded models may become available in the future, but the STPS3L40S remains a well-supported and widely used Schottky rectifier diode.

Key Reasons to Choose This Product

Excellent efficiency and low power loss due to low forward voltage drop

High-speed switching performance for high-frequency applications

Robust and reliable design for long-term operation

Compact and space-saving surface-mount package

Widespread compatibility and suitability for a variety of power conversion applications