Potentiometers, Trimmers & Rheostats

A potentiometer, trimmer, and rheostat are all three types of resistors that are adjustable. They are used to control the electric current by varying the resistance in the circuit. A potentiometer is an adjustable three-terminal resistor with a sliding contact (wiper) that moves across a resistive element to change resistance in a circuit. They are used in audio controls, light dimmers, and other applications that require adjustable resistance in the circuit. A trimmer is a miniature version of a potentiometer, and it’s used to make fine adjustments in electronics circuits. It can be used for voltage and current adjustments, and for tuning circuits for maximum performance. A rheostat is an adjustable two-terminal rotor, and it’s used to control the current in a circuit. It’s often used to control the speed of a motor or other electrical device.
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RA6020F-10-20D1-B5K


Slide Potentiometers 60mm TRVL Linear 5K
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Alpha Taiwan 888
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AUD 2.1843
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P091M-FC20BR100K


Potentiometers
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TT Electronics 888
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AUD 3.9038
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18VRGT324K504NA3


500k Ohm 1 Gang Logarithmic Panel Mount Potentiometer Push-Pull, DPDT 1 Kierros 0.05W, 1/20W Solder Lug
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CTS 888
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AUD 8.4229
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PT01-B120K2-A102


Precision Potentiometers rotary potentiometer single channel vert 20mm knurled reverse log taper 1K ohm
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Same Sky 887
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AUD 0.6569
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PT10LV10-105A2020


Trimmer Resistors - Through Hole 1Mohms 10mm Rnd Top adj
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Amphenol 887
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AUD 0.787
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3386F-1-254


Trimmer Resistors - Through Hole 3/8"SQ 250KOHMS 10% 0.5WATTS
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Bourns 887
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AUD 1.6824
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PT10MV11-224A2020-E-S


Trimmer Resistors - Through Hole
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Amphenol 886
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AUD 0.4161
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026TB32R502B1B1


5k Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Wirewound 5W Solder Lug
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CTS 878
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AUD 8.2209
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PTA4543-2215DPB202


Slide Potentiometers 2K LINEAR
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Bourns 877
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AUD 1.7731
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3306K-1-204


200 kOhms 0.2W, 1/5W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 868
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AUD 0.378
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