6630S1A-B28-R102

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A rotary potentiometer is a type of electronic component that is used to measure the rotary movement or angle of an object. It is typically contained within an insulated plastic cylinder and consists of a circular capacitor that is connected to a terminal on one end and the varying resistance element. The variable resistance element is the potentiometer\'s actual sensing element and the associated wiring determines how it is operated and how much resistive force it provides.

The 6630S1A-B28-R102 is a type of rotary potentiometer, used mainly for measuring the oil pressure, audio level and engine speed in automotive applications. It is a non-contacting, nonlinear device which uses contacting sliders to measure range and winds from eight to ten turns of linearly increasing resistance. The moving slider on this potentiometer is responsive to the change in the magnetic field that the current in the coil delivers in order to measure the pressure or the position of the rotating shaft.

The 6630S1A-B28-R102 offers various features such as a wide operating temperature range of -25°C to +85°C, an extremely low resistance value of 0.25 ohms, high resistance of 1k ohms, a high accuracy of ± 1% and a long mechanical life cycle of one million rotations. Furthermore, it is highly resistant to shock and vibration. The slider of this potentiometer is made of brass and is plated with nickel and copper to reduce wear and provide a smooth operation.

Like most other rotary potentiometers, the 6630S1A-B28-R102 provides a linear output with a range of up to 256 discrete positions. It is compatible with AC and DC current and is suitable for mounting in standard control units or directly onto the panel itself. Typically, it is connected to a voltage source so that the resistance can be adjusted easily and accurately.

The working principle of rotary potentiometers like the 6630S1A-B28-R102 is simple. It has a triangular configuration with elements connected in series. The voltage from the supply source is passed through the center junction of the triangle. A variable resistor is placed between the central and left terminals of the triangle. The entry of the voltage is from the middle point or the center of the triangle and the output is from the left corner. As the resistance of the potentiometer is adjustable, there is a change in the voltage passing through the variable resistor. This voltage is the output of the device and it is adjusted until the desired value of resistance is achieved.

Rheostats are a type of variable resistor with two terminals that can finely adjust resistance in a circuit. The 6630S1A-B28-R102 can also be used as a rheostat but its primary function is to measure the angle, pressure or speed of a rotating shaft. Its wide range of features, good accuracy and long life cycle makes it a great choice for applications in the automotive industry such as engine speed monitoring, oil pressure monitoring and audio level measurement.

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