2SK4197LS

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Transistors have been an integral part of electronic circuits for a long time and are used in a wide range of applications. One common transistor type is the field effect transistor (commonly referred to as an FET). FETs are available in many variations, with single FETs, such as the 2SK4197LS, being one of the most commonly used. In this article, we will discuss the application field and working principle of the 2SK4197LS single FET.The 2SK4197LS is a high-performance single FET designed for medium level power applications. The FET features high density, low on-resistance, high efficiency, and wide temperature operating range. It is suitable for use in a variety of medium power applications, including motor control, signal conditioning, power switching, and power supply regulation, as well as a variety of other applications.The fundamental operating principle behind the 2SK4197LS single FET is voltage controlled current flow. The FET is composed of two terminals, the drain and the source, with a gate in the middle. When a voltage is applied to the gate terminal, it creates an electric field which attracts electrons from the drain terminal and repels them from the source terminal. This creates a region in the FET between the drain and source terminals that is depleted of mobile charge carriers, which can be used to control current flow between the two terminals.The 2SK4197LS single FET features an input capacitance of 18 pF, an output capacitance of 2.0 pF, a gate threshold voltage of 1.0 V, and an on-resistance of 4.5 mΩ. It operates over a temperature range of -40° C to +150° C, making it suitable for a wide variety of industrial applications.In order to take advantage of the 2SK4197LS single FET, it must first be connected to a suitable circuit. Generally, it is connected to the positive and negative terminals of a power supply and controlled by a separate gate voltage. When a positive voltage is applied to the gate, the FET is activated, allowing current to flow between the drain and source terminals. When a negative voltage is applied to the gate, the current flow is reversed and the FET is turned off.The 2SK4197LS single FET is a versatile and high-performance component, making it an ideal choice for a wide variety of medium power applications. Its impressive performance, wide temperature operating range, and reliable operation make it a popular choice for many designs. Understanding its operating principles and connecting it correctly to a suitable circuit provides the designer a great tool for solving a variety of design needs.

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