STF17NF25

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STF17NF25 is a high voltage field effect transistor (FET), and is part of the N-channel class of FETs that operate between drain and source. It is a self-protected low-voltage level Field Effect Transistor used in a variety of applications, such as lighting controls, motor speed control, electronic switches, and voltage-controlled amplifiers. The STF17NF25 features an unusually low on-state resistance and gate leakage current, making it ideal for applications requiring a wide dynamic range and high frequency performance.

The STF17NF25 is a sidewall N-channel FET that has been specifically designed to minimize its drain-source resistance (RDS). It also has low gate-source capacitance (CGS) Value, which helps reduce the drain input noise and distortion that can arise from noise on the gate. The STF17NF25 also features an inbuilt charge-coupled device (CCD) that acts as a gate protection circuit, ensuring that excessive input gate voltage does not damage the device.

The STF17NF25 is typically used in a wide range of switching applications, such as lighting controls, motor speed control, and electronic switches. As with most FETs, the STF17NF25 works by controlling the amount of current allowed to flow between the drain and the source depending upon the level of gate voltage applied across its terminals. When a reverse voltage is applied to the gate, the channel between the drain and the source is blocked, thereby preventing any current from flowing.

If a positive voltage is applied to the gate, the channel opens and current is allowed to flow. The larger the voltage applied to the gate, the more open the channel and the greater the current flow. The STF17NF25 also includes a circuit that maintains the gate voltage at a level that prevents the device from reaching its maximum drain-source voltage rating.

The STF17NF25 is an excellent choice for applications that require a wide range of current flow and voltage control. Its low on-state resistance and gate leakage current makes it an ideal choice for high frequency performance, and its CCD is specially designed to prevent gate damage from over-voltage. Its low cost and simple construction make it an excellent choice for a variety of switching applications.

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