STMicroelectronics 40 V 3 A Surface Mount Schottky Diode SMB Package STPS3L40UF

STMicroelectronics STPS3L40UF is a high-performance surface mount Schottky diode housed in a compact SMB package. It supports a maximum continuous forward current of 3 amperes and can block voltages up to 40 volts, making it suited for low voltage rectification and switching applications in power supplies and electronic circuits.

This diode features a low forward voltage drop of approximately 620 millivolts, which enhances power efficiency and minimizes thermal losses. It operates reliably in extreme temperature ranges from -65°C to 150°C, offering durability in industrial, automotive, and commercial electronic systems.

The device’s single diode, two-pin configuration simplifies PCB design and integration. It can withstand peak non-repetitive forward surge currents up to 75 amperes, ensuring robustness in transient load conditions.

Dimensionally, the diode measures 4.6 mm in length, 3.95 mm in width, and 1.1 mm in height, facilitating space-optimized layouts on printed circuit boards. Manufactured in China, it complies with standard quality requirements but does not list specific approvals or automotive standards.

Compact SMB package suitable for surface mounting and space saving. Maximum continuous forward current of 3 amperes ensures reliable power handling. Peak reverse repetitive voltage rated at 40 volts for high voltage blocking capability.

Low forward voltage drop of 620 millivolts improves efficiency and reduces heating. Wide operating temperature range from -65°C to 150°C supports harsh environments. Single diode configuration with 2 pins for straightforward circuit integration.

Peak non-repetitive forward surge current of 75 amperes for transient durability. Dimensions: Length 4.6 mm, Width 3.95 mm, Height 1.1 mm for precise PCB layout design. Manufactured in China with consistent quality standards.

This Schottky Diode is ideal for use in electronic components, power management, semiconductor circuits, and discrete semiconductor assemblies. It serves industries including manufacturing, electronics production, repair, and automotive electronics where reliable rectification and efficiency are critical.

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