2SK4085LS

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The 2SK4085LS is a single-pole, four-throw (SP4T) metal–oxide–semiconductor field-effect transistor (MOSFET) manufactured by Panasonic. It is a low-noise FET, designed to operate in high-performance circuit applications such as those in the audio frequency range.

The 2SK4085LS is a high-gain N-channel MOSFET, which is designed to provide excellent RF switching performance. The device operates in a common-source configuration, which means it has one gate, one source, and four drains. This enables it to act as a switch, providing on and off switching between multiple connections.

The 2SK4085LS has an extremely wide range of applications, ranging from high-performance switching to audio applications. This makes it useful for a variety of applications, including audio and data communication, radio transmitters and receivers, and instrumentation and control systems. The 2SK4085LS has also been used in high-performance voltage applications.

The 2SK4085LS has a threshold voltage of 0.8V, a maximum gate-source voltage of 10V, and a maximum drain-source breakdown voltage of 40V. The device also has a maximum drain current of 60mA and a power dissipation of 800mW. The device is capable of switching at frequencies of up to 200MHz with a rise time of 6ns.

The working principle of the 2SK4085LS is based on the gate-controlled conduction of the MOSFET. When the gate is driven to a certain positive voltage, the gate depletion region expands and the resistance between the source and the drain decreases. This reduces the power dissipation, hence a high degree of efficiency is achieved. The gate-controlled conduction also allows for a low noise level.

The 2SK4085LS is a high-performance MOSFET, which is well suited for a variety of applications requiring high-frequency switching. It is ideal for use in audio systems and data communications, radio systems, instrumentation and control systems, and high-voltage applications. It features a low-noise operation, allowing it to be used in sensitive circuits, as well as a low operating voltage and power dissipation for improved efficiency.

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