P13SMNFGS103MA

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Rotary Potentiometers and Rheostats are two distinct electrical components used for measuring and controlling different parameters or attributes in electric circuits. The P13SMNFGS103MA is a specific type of rotary potentiometer or rheostat that is capable of providing precise, consistent and stable voltage control at higher temperatures and loads.

In terms of application, the P13SMNFGS103MA is primarily used in high voltage and current applications in the telecommunications, audio, medical, industrial automation, and power systems industries. For example, it can be used to control and linearize an AC power supply, regulate the voltage in telecommunications equipment, adjust an audio filter’s frequency response, measure medical currents, and so on. The P13SMNFGS103MA is also designed for use in applications requiring high temperature stability and high noise rejection, such as high frequency switches and ground isolators.

In terms of working principle, the P13SMNFGS103MA is a three-terminal device that is composed of two resistive elements. The active element or resistance element consists of a stationary resistor track and a moveable wiper contact, which is connected to the third terminal. This resistor track and wiper contact are enclosed in an epoxy or plastic housing, which provides insulation between the two resistive elements and prevents short circuits from occurring. As the wiper contact moves along the resistor track, the resistance value between the two terminals is adjusted. The resistance value of the active element can be varied from minimum to maximum, depending on the position of the wiper contact.

The other resistive element in the P13SMNFGS103MA is the terminal resistance, which is responsible for the linearity and noise immunity of the device. It consists of two resistors, with one of them being fixed and the other one adjustable. The fixed resistor is connected between two of the terminals and its value is limited to a certain range. The adjustable resistor is connected between the third terminal and the fixed resistor and its value can be varied between minimum and maximum. The total resistance of the terminal resistance is equal to the sum of the two resistors.

In summary, the P13SMNFGS103MA is a high temperature, high noise rejection rotary potentiometer or rheostat that can be used in a variety of applications such as controlling AC power supplies, linearizing telecommunications systems, regulating medical currents, and so forth. It is composed of two resistive elements – the active element and the terminal resistance – which, when adjusted, vary the overall resistance between the two terminals.

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