STMicroelectronics

STPS5H100UFN

STPS5H100UFN Description

The STPS5H100UFN from STMicroelectronics is a 100V, 5A Schottky diode designed for high-efficiency power applications. Packaged in a SMBflat Notch (Surface Mount) configuration, it features fast recovery (<500ns) and low forward voltage drop (745mV @ 5A), minimizing power losses. With a reverse leakage current of just 8µA @ 100V, it ensures reliable performance in demanding environments. The diode operates at a junction temperature of up to 175°C, making it suitable for high-temperature applications. Though marked as obsolete, its REACH compliance and unlimited MSL1 moisture sensitivity ensure robustness in storage and handling.

STPS5H100UFN Features

• Schottky Technology: Delivers low Vf and fast switching, reducing conduction and switching losses.
• High Voltage Rating: 100V reverse voltage supports applications requiring higher blocking capability.
• High Current Capacity: 5A average rectified current for power-dense designs.
• Thermal Resilience: 175°C max junction temperature ensures reliability in harsh conditions.
• Compact SMBflat Package: Space-saving surface-mount design with Tape & Reel (TR) packaging for automated assembly.
• Low Leakage: 8µA @ 100V enhances efficiency in standby or low-power modes.

STPS5H100UFN Applications

• Power Supplies: Ideal for AC/DC converters, SMPS, and freewheeling diodes due to fast recovery.
• Reverse Polarity Protection: Low Vf minimizes voltage drop in battery-powered systems.
• Automotive Systems: Suitable for load switching and OR-ing circuits in high-temperature environments.
• Industrial Equipment: Used in motor drives, inverters, and solar inverters for efficient energy handling.
• Consumer Electronics: Enhances efficiency in adapters, LED drivers, and portable devices.

Conclusion of STPS5H100UFN

The STPS5H100UFN is a high-performance Schottky diode offering low losses, fast switching, and thermal robustness, making it ideal for power-sensitive and high-temperature applications. While obsolete, its combination of 100V blocking, 5A current, and compact SMBflat package provides a competitive edge in space-constrained designs. Engineers should evaluate alternatives for new designs but can leverage its proven reliability in legacy systems requiring efficiency and durability.