Rotary Pot


Rotary Pot 10Kohm

EGP2.50

Rotary Pot

An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin, GND to the other, and the center pin will have a voltage that varies from 0 to VCC depending on the rotation of the pot. Hook the center pin to an ADC on a microcontroller and get a variable input from the user!

This pot has a 1/4″ mounting diameter and has a 10K linear taper. Check the datasheet for dimensional drawings.

Technical data

Resistance 1 MΩ
Resistance characteristic linear
Output Mono
Power rating 0.2 W
Connection Print
Mechanical angle 300 °
Shaft length 15 mm
Axle type Metal , Serrated
Axle Ø 6 mm
Thread size M7
Thread length 6.5 mm
Content 1 pc(s)
Type RV16AF20KB1MM
Product type Single turn rotary pot

 

 

 

 

 

 

Rotary Potentiometer

rotary potentiometer

Rotary potentiometer (the most common type) vary their resistive value as a result of an angular movement. Rotating a knob or dial attached to the shaft causes the internal wiper to sweep around a curved resistive element. The most common use of a rotary potentiometer is the volume-control pot.

Carbon rotary potentiometers are designed to be mounted onto the front panel of a case, enclosure or printed circuit board (PCB) using a ring nut and locking washer. They can also have one single resistive track or multiple tracks, known as a ganged potentiometer that all rotate together using one single shaft. For example, a dual-gang pot to adjust the left and right volume control of a radio or stereo amplifier at the same time. Some rotary pots include on-off switches.

Rotary potentiometers can produce a linear or logarithmic output with tolerances of typically 10 to 20 percent. As they are mechanically controlled, they can be used to the measure the rotation of a shaft, but a single-turn rotary potentiometer normally offers less than 300 degrees of angular movement from minimum to maximum resistance. However, multi-turn potentiometers, called trimmers, are available that allow for a higher degree of rotational accuracy.

Multi-turn potentiometers allow for a shaft rotation of more than 360 degrees of mechanical travel from one end of the resistive track to the other. Multi-turn pots are more expensive, but very stable with high precision used mainly for trimming and precision adjustments. The two most common multi-turn potentiometers are the 3-turn (1080o) and 10-turn (3600o), but 5-turn, 20-turn and higher 25-turn pots are available in a variety of ohmic values.

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