P082S-61F4CAR50K

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--

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Rotary Potentiometers, Rheostats

The P082S-61F4CAR50K is an electrical component often referred to as a "carbon track variable resistance" or, more commonly, a rotary potentiometer (or just potentiometer). This type of electrical component is best suited to applications where a variable resistance is needed, such as in controlling the brightness of a light, or the volume of a radio.

Application Field and Working Principle

A potentiometer utilizes a stationary contact (the wiper) running along a track of variable resistance material. The contact is connected to a knob or dial, which can be adjusted to a wide range of positions. Depending on the exact type of potentiometer, this track can be made using either a continuous coil of conductive wire, carbonized printed material, conductive plastic, or even graphite.Most potentiometers are designed to have three connections, usually referred to as "active", "ground" and "wiper". Each terminal is connected to one end of the rotating contact track. The wiper is connected to the moving contact, while the active and ground connections are connected to either end of the track. Rotating the knob or adjusting the dial changes the distance between the moving contact and the two fixed contacts, thus altering the resistance value.In the case of the P082S-61F4CAR50K, the resistance track is made from carbonized printed material, which is sealed within the potentiometer\'s housing and exposed to the wiper. The rotating wiper is connected directly to the external knob, and its movement causes the resistance to change between two end points (zero and fifty thousand ohms, in this instance).The resistance track of the P082S-61F4CAR50K is designed to provide a linear relationship between the position of the knob or dial and the resistance value. This means that adjusting the sensitive by small amounts produces noticeable changes in resistance value.The P082S-61F4CAR50K is typically used in applications such as volume control, light dimming or motor speed adjustment, where accurate and repeatable control of resistance is necessary. The carbonized construction gives it superior vibration and noise rejection characteristics when compared to other types of potentiometers.In addition, the P082S-61F4CAR50K is also a type of rheostat. A rheostat works on the same principle as a potentiometer, but has just two connections rather than three. The wiper of a rheostat is connected directly to the external knob, and its movement causes the resistance to change between two end points (again, usually zero and fifty thousand ohms, in this instance).Rheostats are typically used in applications that require a continuously variable resistance, such as HVAC systems, electric stoves, or circuit breakers. They offer superior resistance adjustment range compared to a normal potentiometer, which enables more precise control over the device\'s operation.The P082S-61F4CAR50K can also be used as a rheostat, making it a versatile and cost-efficient solution for many different applications. Its linear relationship between position and resistance ensures precise, repeatable control whenever it is used.

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