RN1318(TE85L,F) Discrete Semiconductor Products

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Single-bias Transistors, or Pre-Biased BJTs, are a type of transistor that require two distinct polarities at the base (or control) electrode in order to operate. These transistors are commonly used in linear applications, where they provide an electronically adjustable gain function. The transistors can also be used as a current controllable switch. The RN1318 (TE85L,F) is a pre-biased Transistor and its application field and working principle are discussed below.

RN1318 (TE85L,F) Application Field

RN1318 (TE85L,F) are mainly used in communication circuitry, audio amplifiers, switching power supplies, as well as other consumer electronics. The transistors can also be used in automotive applications such as engine and power controls. They can be used as dimming controls for LED lighting and other electronic control applications. In addition, pre-biased BJTs can be used in motor-control circuits, such as for driving brushless DC motors and servo motors.

Function and Working Principle

The working principle of the RN1318 (TE85L,F) pre-biased transistor is based upon the three main terminals which are the gate (G), source (S) and drain (D). When negative voltage is applied to the gate from the NI gate terminal, positive voltage from the PI gate terminal is applied to the source. Current will then flow from the source to the drain. The key advantage of using this type of transistor is that by altering the voltage on the gate, the current flowing through the transistor can be modified. Additionally, if the gate voltage is equal to or greater than the source voltage, then the current flow will stop, allowing the transistor to be used as a switch.

The RN1318 (TE85L,F) transistors can also be used to provide a variable gain function. This can be done by applying negative voltage to the G terminal, and then alternating the voltage on the source terminal. This will variably adjust the current flow into the drain and hence the overall gain of the transistor. As such, the RN1318 (TE85L,F) transistors can be used as variable resistors.

Conclusion

RN1318 (TE85L,F) are pre-biased transistors which provide a number of advantages with regards to their performance and use in applications. The transistors allow for current to be varied and for adjustable gain. Furthermore, the transistors can be used as switches, making them suitable for a range of different applications, including communications and automotive systems. The pre-biased transistors are typically used in linear applications, but can be used in other applications as well.

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