TK7A90E,S4X

The TK7A90E, S4X is a high-performance power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) manufactured by Toshiba. This component is designed for various applications, including power management, switching, and amplification in electronic circuits.

Key Features:

1. Type: N-channel MOSFET

   • The TK7A90E is an N-channel device, which means it uses electrons as the charge carriers, providing high efficiency and fast switching capabilities.

2. Voltage Rating:

   • The device typically has a maximum drain-source voltage (V_DS) rating of around 900V, making it suitable for high-voltage applications.

3. Current Rating:

   • It can handle a continuous drain current (I_D) of approximately 7A, which allows it to be used in various power applications without overheating.

4. R_DS(on):

   • The on-resistance (R_DS(on)) is low, often in the range of a few ohms, which minimizes power loss during operation and enhances overall efficiency.

5. Gate Threshold Voltage (V_GS(th)):

   • The gate threshold voltage is typically around 2-4V, which indicates the voltage required to turn the MOSFET on. This feature allows for compatibility with low-voltage control signals.

6. Package Type:

   • The TK7A90E is usually housed in a TO-220 package, which provides good thermal performance and allows for easy mounting on heat sinks for effective heat dissipation.

7. Switching Speed:

   • The device is designed for fast switching applications, making it ideal for use in power supplies, motor drivers, and other high-frequency applications.

8. Thermal Characteristics:

   • The MOSFET has a high thermal conductivity, which helps in managing heat during operation. It typically has a maximum junction temperature rating of around 150°C.

Applications:

• Power Supplies: Used in switch-mode power supplies (SMPS) for efficient voltage regulation.
• Motor Control: Suitable for driving motors in various applications, including robotics and industrial automation.
• Inverters: Commonly found in inverter circuits for renewable energy systems, such as solar inverters.
• Lighting: Utilized in LED drivers and other lighting control applications.

Conclusion:

The TK7A90E, S4X from Toshiba is a robust and versatile power MOSFET that offers high voltage and current handling capabilities, low on-resistance, and fast switching speeds. Its design makes it suitable for a wide range of applications in power electronics, contributing to improved efficiency and performance in electronic systems.