STMicroelectronics

STPS3150

STPS3150 Description

The STPS3150 from STMicroelectronics is a 150V, 3A Schottky diode designed for high-efficiency power applications. Packaged in a DO-201AD through-hole format, it features fast recovery (<500ns) and low forward voltage (820mV @ 3A), minimizing power losses and improving thermal performance. With a reverse leakage current of just 2µA @ 150V, it ensures reliable operation in demanding circuits. The diode is RoHS3 compliant and operates within a wide junction temperature range up to 175°C, making it suitable for high-temperature environments.

STPS3150 Features

• High Voltage & Current Rating: 150V reverse voltage and 3A average rectified current.
• Low Forward Voltage Drop: 820mV @ 3A reduces conduction losses.
• Fast Recovery Time: <500ns ensures efficient switching in high-frequency applications.
• Low Reverse Leakage: 2µA @ 150V enhances energy efficiency.
• Robust Thermal Performance: Operates up to 175°C junction temperature.
• Compliance: ROHS3, REACH unaffected, and ECCN EAR99 for global usability.

STPS3150 Applications

• Power Supplies: Ideal for AC-DC converters, SMPS, and freewheeling diodes due to low Vf and fast recovery.
• Reverse Polarity Protection: Used in battery charging circuits and automotive systems.
• High-Temperature Environments: Suitable for industrial motor drives and welding equipment.
• Renewable Energy: Efficient in solar inverters and wind power systems where low losses are critical.

Conclusion of STPS3150

The STPS3150 Schottky diode stands out for its high-voltage capability, low power dissipation, and fast switching, making it a superior choice for energy-efficient designs. Its robust thermal performance and compliance with environmental standards ensure reliability in industrial, automotive, and renewable energy applications. While now obsolete, its performance metrics remain competitive for legacy or specialized systems requiring high-reliability diodes.