STMicroelectronics

STF5N52U

STF5N52U Description

The STF5N52U is a high-performance N-Channel MOSFET from STMicroelectronics, designed for applications requiring high voltage and current capabilities. This device features a drain-to-source voltage (Vdss) of 525V and can handle continuous drain current (Id) of up to 4.4A at 25°C. With a maximum power dissipation of 25W, the STF5N52U is suitable for demanding applications in the electronics industry.

STF5N52U Features

• UltraFASTmesh™ Series: The STF5N52U belongs to the UltraFASTmesh™ series, known for its fast switching capabilities and low on-resistance.
• Low On-Resistance: The maximum Rds(on) at Id, Vgs is 1.5Ohm, ensuring efficient power delivery with minimal losses.
• High Input Capacitance: With a maximum input capacitance (Ciss) of 529 pF at 25V, the STF5N52U offers fast charging and discharging capabilities.
• Low Gate Charge: The maximum gate charge (Qg) is 16.9 nC at 10V, reducing switching losses and improving efficiency.
• Robust Voltage Ratings: The device can withstand a maximum gate-source voltage (Vgs) of ±30V and a threshold voltage (Vgs(th)) of 4.5V at 50µA.
• Environmental Compliance: The STF5N52U is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.

STF5N52U Applications

The STF5N52U is ideal for applications that require high voltage and current handling capabilities, such as:

1. Power Electronics: In power supply designs, the STF5N52U can be used as a high-side or low-side switch in buck, boost, and buck-boost converters.
2. Motor Control: The device's high voltage and current ratings make it suitable for motor drive applications, including brushless DC motors and stepper motors.
3. Industrial Automation: The STF5N52U can be used in industrial control systems, such as robotic arms and conveyor systems, where high power and fast switching are required.
4. Automotive Electronics: The device can be used in automotive applications, such as electric power steering and electric vehicle charging systems, due to its high voltage and current ratings.

Conclusion of STF5N52U

The STF5N52U is a high-performance N-Channel MOSFET from STMicroelectronics, offering a combination of high voltage and current ratings, fast switching capabilities, and low on-resistance. Its unique features, such as the UltraFASTmesh™ technology and low gate charge, make it an ideal choice for demanding applications in power electronics, motor control, industrial automation, and automotive electronics. Despite being classified as obsolete, the STF5N52U remains a reliable and efficient solution for applications requiring high performance and environmental compliance.