STMicroelectronics

STF12N120K5

STMicroelectronics' STF12N120K5 is a high-power, high-voltage N-channel MOSFET that is designed for use in a variety of power electronics applications. Here is a description of the model, its features, and potential applications:

Description:

The STF12N120K5 is an N-channel enhancement mode field-effect transistor (MOSFET) that is manufactured using STMicroelectronics' advanced trench technology. This technology allows for lower on-state resistance (RDS(on)) and faster switching speeds compared to traditional planar MOSFETs.

Features:

1. High Voltage: The STF12N120K5 is rated for a maximum drain-source voltage (VDS) of 1200V, making it suitable for high-voltage applications.
2. High Current: The device can handle a continuous drain current (ID) of up to 49A, depending on the operating conditions.
3. Low On-State Resistance: The low RDS(on) of 5mΩ (maximum) allows for efficient power transfer and reduced power dissipation.
4. Fast Switching Speeds: The MOSFET features fast switching times, with a typical gate charge (Qg) of 43nC and a gate-source threshold voltage (VGS(th)) of 3-4V.
5. Avalanche-Rated: The STF12N120K5 is designed to withstand high-energy avalanche transients, providing improved reliability in demanding applications.
6. Built-in Diode: The MOSFET includes a built-in body diode for efficient energy recovery during switching.
7. Wide Operating Temperature Range: The device is designed to operate over a wide temperature range of -55°C to 175°C.

Applications:

The STF12N120K5 is suitable for a variety of high-power, high-voltage applications, including:

1. Motor control: In electric vehicles, industrial motor drives, and home appliances.
2. Power supplies: In switch-mode power supplies (SMPS) and uninterruptible power supplies (UPS) systems.
3. Renewable energy: In solar panel inverters and wind turbine converters.
4. Battery management: In battery charging and discharging circuits for electric vehicles and energy storage systems.
5. Lighting: In LED driver circuits for high-intensity discharge (HID) lamps and other high-power lighting applications.

The STF12N120K5's combination of high voltage, high current, and low on-state resistance makes it an ideal choice for power electronic applications that require efficient and reliable performance.