STB80NF55-06T4 Discrete Semiconductor Products

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Transistors are essential components in modern society, which are widely used in television, audio and other electronic systems. STB80NF55-06T4 is a type of single N-Channel enhancement mode MOSFETs(Metal Oxide Semiconductor Field Effect Transistor), which can be used in a wide range of fields, such as low-speed motor control, analog and digital power supply circuits and video switching. This article aims to explain the application fields of STB80NF55-06T4 and its working principle.

Application Field

The device from STB80NF55-06T4 is considered suitable for use in low voltage amplifier applications, which include speaker switching, line drivers, surface mount audio amplifiers, and instrumentation amplifiers. There are also possible applications in communication systems, video switching, limit detectors, power supplies, timing networks, linear and switching voltage regulator, sensing circuits, and DC to DC converters. Later, STB80NF55-06T4 can be used in consumer products, lighting applications, automotive systems, and industrial equipment.

Working Principle

The STB80NF55-06T4, as a single N-Channel Enhancement mode MOSFET, is composed of two MOSFETs (NMOS and PMOS) connected together. The operation of the STB80NF55-06T4 will depend on the voltage applied to the Gate terminal. With no voltage, the threshold voltage of the device (Vth) is around 4V, which makes the device in Enhancement mode operation. That means the device is in cut off mode, resulting in no current flowing through the Drain and Source, the Gate and Source measuring about the same voltage. If a relatively low voltage is applied to the Gate terminal, the Vth will decrease, and the device will turn on. Now, current can start flowing through the Drain lead of the device, and the device will act as an amplifier.

In summary, the STB80NF55-06T4 is a single N-Channel Enhancement mode MOSFET, which can be used in multiple applications, such as low-speed motor control, analog and digital power supply circuits, video switching, and more. The working principle of the STB80NF55-06T4 is based on the voltage applied to the Gate terminal — which will either turn on or turn off the device.

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