STPS3L40SY STMicroelectronics Schottky Diode 40V 3A TO-220AB Package

STPS3L40SY Overview

The STPS3L40SY is a high-performance dual Schottky rectifier designed for efficient power conversion in industrial and automotive applications. Featuring a 40V maximum repetitive peak reverse voltage and a low forward voltage drop, it supports high-frequency switching environments with reduced power loss and enhanced thermal management. Its compact SMD package ensures easy integration in space-constrained designs. The device is optimized for rectification in power supplies, DC-DC converters, and freewheeling diodes, delivering reliable operation and improved system efficiency. For detailed technical support and sourcing, visit IC Manufacturer.

STPS3L40SY Technical Specifications

STPS3L40SY Key Features

• Low Forward Voltage Drop: Minimizes power dissipation, improving overall efficiency in power supply applications.
• High Surge Current Capability: Supports transient overloads without damage, ensuring robustness in demanding environments.
• Low Reverse Leakage Current: Enhances device reliability and reduces standby power loss during off-states.
• Compact Surface-Mount Package: Facilitates high-density PCB layouts and simplifies automated assembly processes.

Typical Applications

• Switching Power Supplies: Ideal for rectification stages where low losses and fast switching are critical to system efficiency.
• DC-DC Converters: Provides reliable freewheeling diode functionality, enhancing converter performance and thermal management.
• Automotive Electronics: Suitable for onboard power circuits requiring robust surge handling and stable operation under harsh conditions.
• Battery Chargers: Enables efficient current rectification with minimal energy waste, prolonging battery life and reducing heat generation.

STPS3L40SY Advantages vs Typical Alternatives

This rectifier offers a competitive edge through its low forward voltage and minimal reverse leakage current, which reduce power dissipation and improve efficiency compared to standard diodes. Its high surge current rating and thermal robustness enhance reliability in industrial and automotive applications. The compact surface-mount package supports modern PCB designs, making it a preferable choice for engineers seeking optimized power management solutions with proven semiconductor quality.

STPS3L40SY Brand Info

The STPS3L40SY is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in advanced discrete components, including Schottky diodes known for quality, durability, and performance in power management. This device exemplifies ST??s commitment to delivering reliable, efficient components suited for industrial, automotive, and consumer electronics sectors, supported by comprehensive documentation and global technical support.

FAQ

What is the maximum forward current rating of this Schottky diode?

The device supports an average forward current of 3A, making it suitable for moderate power applications where continuous current flow is required without overheating or performance degradation.

Can the rectifier handle high surge currents in transient conditions?

Yes, the rectifier can withstand surge forward currents up to 50A for short durations, providing protection against transient overloads common in automotive and industrial power circuits