STMicroelectronics STPS3H100UF 100V 3A Schottky Diode - SMBflat Package

High-Performance STMicroelectronics STPS3H100UF Schottky Diode for Modern Power Applications

Engineered for efficiency and reliability in demanding power systems, the STMicroelectronics STPS3H100UF Schottky Diode combines advanced semiconductor technology with robust design. This 100V 3A diode delivers exceptional performance in high-frequency switching applications while maintaining minimal power loss, making it an ideal choice for contemporary electronics requiring compact, high-efficiency components.

Key Features and Specifications

The STPS3H100UF stands out with its impressive electrical characteristics. Its 100V maximum reverse voltage capability ensures stable operation in high-voltage environments, while the 3A average rectified current rating supports substantial power handling. The device's forward voltage drop remains exceptionally low at 840mV max @ 3A, significantly reducing conduction losses compared to conventional diodes.

Advanced Technical Advantages

Designed for modern power electronics, this Schottky diode features a fast recovery time (<= 500ns) and optimized reverse recovery characteristics, enabling efficient operation in switching power supplies and DC-DC converters. The SMBflat surface mount package provides excellent thermal performance through its low-profile design while maintaining compatibility with automated PCB assembly processes.

Operating temperature range extends to 175°C junction temperature, ensuring reliable performance in harsh thermal environments. The device's 1µA reverse leakage current at rated voltage maintains minimal standby power consumption, crucial for energy-efficient designs meeting modern regulatory standards.

Comprehensive Applications

This versatile component finds application across multiple domains including:

• Switching power supplies and AC-DC adapters
• DC-DC converters for telecom and server systems
• Freewheeling diodes in motor drives
• Protection circuits for battery systems
• High-frequency rectification in industrial equipment

The SMBflat package's space-saving footprint enables designers to create compact power solutions while maintaining high current capacity. Its surface mount compatibility streamlines manufacturing processes, reducing production costs and improving assembly yields.

Design Considerations

When implementing the STPS3H100UF in circuit designs, engineers should consider its 840mV forward voltage characteristic which minimizes power dissipation while maintaining excellent switching performance. The device's reverse recovery time specification makes it particularly suitable for applications requiring fast turn-off characteristics, such as synchronous rectification and high-frequency inverters.

Thermal management considerations benefit from the SMBflat package's enhanced heat dissipation characteristics. For high-current applications exceeding 2A, appropriate PCB copper area should be allocated to ensure optimal thermal performance and long-term reliability.

Quality and Reliability

As part of STMicroelectronics' extensive power semiconductor portfolio, the STPS3H100UF undergoes rigorous testing to ensure compliance with industry standards. The device meets RoHS requirements and is manufactured in facilities adhering to strict quality control systems, guaranteeing consistent performance across diverse operating conditions.

The 175°C maximum junction temperature rating provides ample thermal headroom for demanding applications. This specification, combined with the device's low leakage current, ensures stable operation in automotive, industrial, and consumer electronics environments where temperature extremes are common.

Conclusion

The STMicroelectronics STPS3H100UF Schottky Diode represents a perfect balance between electrical performance and mechanical robustness. Its combination of 100V blocking capability, 3A current handling, and advanced SMBflat packaging makes it a versatile solution for modern power electronics. Whether designing high-efficiency power supplies, DC-DC converters, or motor control circuits, this component offers the reliability and performance needed to meet today's demanding design challenges.

Tags: Schottky Diode, Power Electronics, Surface Mount Diode, Fast Recovery Diode, STM Components