STP6NK90Z

The STP6NK90Z is a high-voltage N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) manufactured by STMicroelectronics. It is designed for a variety of applications, including power management, switching, and amplification in electronic circuits. Here’s a detailed description of its key features and specifications:

Key Features:

1. N-Channel Configuration: The STP6NK90Z is an N-channel MOSFET, which means it uses electrons as the charge carriers. This configuration typically offers lower on-resistance and higher efficiency compared to P-channel MOSFETs.

2. High Voltage Rating: The device is rated for a maximum drain-source voltage (V_DS) of 900V, making it suitable for high-voltage applications.

3. On-Resistance (R_DS(on)): The on-resistance is specified at a low value (typically around 0.6 ohms at V_GS = 10V), which minimizes power loss during operation and enhances efficiency.

4. Continuous Drain Current (I_D): The STP6NK90Z can handle a continuous drain current of up to 6A, allowing it to drive moderate loads effectively.

5. Gate Threshold Voltage (V_GS(th)): The gate threshold voltage is typically in the range of 2V to 4V, which indicates the minimum gate-source voltage required to turn the MOSFET on.

6. Fast Switching Speed: The device is designed for fast switching applications, which is beneficial in power supply circuits and motor control.

7. Thermal Characteristics: The STP6NK90Z has a maximum junction temperature of 150°C, allowing it to operate in demanding thermal environments. It also features a TO-220 package, which provides good thermal dissipation.

8. Robustness: The MOSFET is designed to withstand high voltage spikes and has built-in protection features, making it reliable for use in various applications.

Applications:

• Power Supplies: Used in switch-mode power supplies (SMPS) for efficient power conversion.
• Motor Control: Suitable for driving motors in industrial and consumer applications.
• Lighting Control: Can be used in LED drivers and dimmers.
• Automotive Applications: Ideal for automotive power management systems due to its high voltage rating.

Package:

The STP6NK90Z is typically available in a TO-220 package, which is a standard package for power devices. This package provides good thermal performance and is easy to mount on heatsinks for enhanced cooling.

Conclusion:

The STP6NK90Z from STMicroelectronics is a versatile and efficient N-channel MOSFET that is well-suited for high-voltage applications. Its combination of high voltage rating, low on-resistance, and fast switching capabilities makes it an excellent choice for engineers looking to design reliable and efficient electronic circuits.