The STPS340U is a high-efficiency, ultrafast Schottky diode manufactured by STMicroelectronics. This power Schottky rectifier is designed to meet a wide range of applications, thanks to its low forward voltage drop and high surge current capability. It is particularly well-suited for use in switching power supplies, converters, free-wheeling diodes, and reverse battery protection applications.

Key Features

• Low Forward Voltage Drop: The STPS340U boasts a low forward voltage drop, which results in reduced power loss and improved efficiency in the application it is used in. This characteristic is particularly beneficial for power-sensitive designs.
• High Surge Current Capability: With its ability to handle high surge currents, this diode can withstand transient overcurrent conditions, making it reliable for a wide range of applications.
• High Junction Temperature: The device can operate at a high junction temperature, offering stability and reliability in applications with high thermal requirements.
• Low Leakage Current: The low reverse leakage current of the STPS340U ensures minimal power loss when the diode is in the reverse-biased state.
• Compact Package: The STPS340U comes in a compact DO-214AA (SMB) surface-mount package, which is ideal for space-constrained applications.

Applications

• Switching power supplies
• DC/DC converters
• Free-wheeling diodes in converters and motor control circuits
• Reverse battery protection
• Power management devices

Technical Specifications

The STPS340U has a repetitive peak reverse voltage (VRRM) of 40V and an average forward current (IF(AV)) of 3A. The device's forward voltage (VF) is typically 0.52V at 3A, which contributes to its high efficiency. Its non-repetitive peak forward surge current (IFSM) is 100A, ensuring robust performance during surge conditions.

For designers and engineers looking for a reliable and efficient power rectification solution, the STPS340U from STMicroelectronics offers a compelling combination of performance, efficiency, and compact packaging. Whether it is for new designs or for retrofitting existing systems, this Schottky diode is a solid choice for a variety of power applications.