STMicroelectronics STPS3150UY 3A Schottky Diode 150V SMB Package

High-Performance STPS3150UY Schottky Diode for Automotive and Power Electronics Applications

The STMicroelectronics STPS3150UY is an advanced Schottky diode engineered for high-reliability applications requiring efficient power management. With a maximum reverse voltage of 150V and a forward current rating of 3A, this component combines robust performance with compact surface-mount design. Designed for automotive systems and industrial power circuits, the STPS3150UY delivers exceptional thermal stability and low leakage current, making it ideal for demanding environments.

Technical Excellence in Power Diode Design

This device features a fast recovery speed (<= 500ns) and a maximum forward voltage drop of 820mV at 3A, ensuring minimal energy loss and superior efficiency. The DO-214AA SMB package provides excellent heat dissipation while maintaining space-saving dimensions suitable for modern PCB layouts. Operating temperature range from -40°C to 175°C allows reliable operation in extreme conditions commonly found in automotive powertrains and industrial equipment.

Automotive-Grade Reliability

Part of STMicroelectronics' Q Automotive series, the STPS3150UY meets stringent automotive industry standards while offering industrial temperature range capabilities. Its tape-and-reel packaging format ensures seamless integration into automated assembly lines, supporting high-volume manufacturing processes. The device's design prioritizes long-term durability in harsh environments, with features like enhanced moisture resistance and mechanical stress tolerance.

Key advantages include:

• High surge current capability for improved system robustness
• Low junction capacitance for faster switching performance
• Space-efficient SMB footprint for modern PCB designs
• Compliance with RoHS and REACH environmental regulations

Diverse Application Spectrum

This Schottky diode excels in various applications including:

In automotive systems, it provides critical protection for battery management circuits and DC-DC converters. Industrial motor drives benefit from its fast recovery characteristics, while solar inverters utilize its high-voltage capabilities. The component's surface-mount design makes it particularly suitable for compact power supplies and LED lighting systems requiring efficient thermal management.

Performance-Driven Engineering

The STPS3150UY's advanced silicon technology reduces energy losses through its optimized junction design, achieving 820mV maximum forward voltage at full 3A load. This performance characteristic directly translates to cooler operating temperatures and extended system lifespan. The device's 2µA reverse leakage current at maximum rated voltage ensures minimal standby power consumption, supporting modern energy efficiency standards.

Manufacturers and design engineers appreciate its compatibility with standard reflow soldering processes, combined with the mechanical durability needed for vibration-prone applications. The SMB package's thermal pad design facilitates efficient heat transfer to the PCB, further enhancing reliability in high-current scenarios.

Tags: Power Electronics, Automotive Components, Surface Mount Diodes, High Voltage Diodes, Fast Recovery Diodes