STGF35HF60W

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STGF35HF60W Application Field and Working Principle

STGF35HF60W is a type of transistor, classified into the Transistors - IGBTs - Single category. IGBT stands for Insulated Gate Bipolar Transistor, which is a compatible combination of a MOSFET (Metal Oxide Semiconductor Field Effect Transistor) and a bipolar junction transistor, or what is commonly known as field-effect transistors and BJTs. It is an excellent type of transistor which offers the best of both worlds, resistive and capacitive combined.

The STGF35HF60W is an IGBT device packaged in an insulated surface mountable 5 pin plastic package. The pins of the package are numbered as 1, 2, 3, 4, and 5, and these are assigned specific functions according to the device model. This device is capable of operating with an input voltage from 8V to 20V, and its rated collector current is 3.5A. During operation, it can handle a peak collector current of up to 10A.

Application Field

The STGF35HF60W is a versatile device and can be used in a variety of applications. It is mainly employed in converters for household appliances, such as washing machines and refrigerators, as well as for invertors and AC power supplies. It is also used in uninterruptible power supplies, UPS, and in the industrial sector. Other applications include audio amplifiers, switching power supplies, motor control, and the automotive industry.

Working Principle

The STGF35HF60W operating principle is based on the combination of MOSFET and bipolar junction transistor technologies. In order to understand this device, it is important to understand first the fundamentals of each of these technologies. A MOSFET is a three terminal device which is usually used as a voltage controlled switch. It consists of three terminals (gate, source and drain), where the gate proves the bias voltage, source the input voltage and drain the output voltage respectively. A BJT is a four terminal device used to amplify the voltage and current. It consists of four terminals (collector, base and two emitters) and it is capable of amplifying both AC and DC signals.

The STGF35HF60W combines the advantages of these two technologies. On one hand, it has a controlling gate that allows it to be operated as a switch, therefore allowing it to be used in the same way as a MOSFET. On the other hand, it also has a base which allows it to act as an amplifier, thus having the same capabilities as a BJT. Moreover, it also has a special characteristic known as insulated gate, which provides an improved temperature operation due to the input-output current separation.

The main working principle of the STGF35HF60W consists in the electrical control of the base region. The base region is in charge of turning the device On and Off. When the input voltage is applied to the base and the device is turned On, the current flows from the collector to the emitter, thus allowing the drain-source region to turn the device On. Furthermore, the circuit can also be turned off by simply reducing the input voltage applied to the base, thus controlling the current flow.

In conclusion, the STGF35HF60W is a versatile power switching device which combines both MOSFET and bJT technologies in order to provide a wide range of possible applications and improved temperature operation. The main working principle consists of the electrical control of the base region, which enables the device to be turned On and Off. It is mainly used in the household appliance, invertor and AC supply converters, as well as in the automotive and industrial sectors.

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