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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PS45-20MA1BR50K


Slide Potentiometers 50K ohm 20% 45mm Slide Potentiometer
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TT Electronics 212
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AUD 2.3149
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3352H-1-104LF


100 kOhms 0.5W, 1/2W Through Hole Thumbwheel Potentiometer Side Adjustment
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Bourns 212
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AUD 2.594
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3310C-001-504L


500k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 212
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AUD 2.6925
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PTR902-1015F-A203


Potentiometers 20K AUDIO
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Bourns 212
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AUD 3.3985
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3386C-1-504


Trimmer Resistors - Through Hole 3/8"SQ 500KOHMS 10% 0.5WATTS
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Bourns 211
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AUD 1.8071
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3310C-101-503L


Bourns Potentiometers 9mm 50Kohms Single Cup
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Bourns 211
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AUD 3.2015
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56AAD-C28-B15/R81L


Potentiometers 10Kohms SPDT CCW
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Bourns 211
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AUD 24.1507
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RJ26FX502


Trimmer Resistors - Through Hole 5K 1/4" 10% MultiTurn Cermet
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Bourns 208
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AUD 7.5358
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Hot RK1631110TT3


Potentiometers Flat 20mm 10k
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ALPS 197
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AUD 1.5473
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3362U-1-502LF


Trimmer Resistors - Through Hole 1/4"SQ 5KOHMS 10% 0.5WATTS
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Bourns 177
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AUD 1.0081
Multiples of: 1

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