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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RA2043F-20-10EB1-B100K


Slide Potentiometers 20mm TVL LINEAR 100K PC Mount
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Alpha Taiwan 1096
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AUD 1.2313
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3540S-91-502L


Precision Potentiometers PRECISION POT 5K 7/8" 22MM DIA 10T WW
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Bourns 168
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AUD 85.6716
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3362P-1-254


Trimmer Resistors - Through Hole 1/4"SQ 250KOHMS 10% 0.5WATTS
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Bourns 167
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AUD 1.2116
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PTA4553-2015CPB502


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 167
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AUD 1.5646
Multiples of: 1

3009P-1-204LF


200 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 167
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AUD 1.9866
Multiples of: 1

PTR902-2020K-A103


Res Carbon Film POT 10K Ohm 20% 0.025W 1(Elec)/1(Mech)Turns 6mm (35.8 X 9.5 X 11.3mm) Pin Panel Mount/Through Hole Automotive
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Bourns 167
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AUD 3.2672
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3362R-1-203LF


Trimmer Resistors - Through Hole 1/4"SQ 20KOHMS 10% 0.5WATTS
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Bourns 166
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AUD 1.0081
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PTV09A-5020F-A503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 50 kohms 20 mm
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Bourns 166
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AUD 1.5581
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RV112BCF-40-25A-B50K


Potentiometers 11mm Linear 50K Dual Unit-Vert PC MT
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Alpha Taiwan 141
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AUD 1.6254
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3386X-1-203TLF


Trimmer Resistors - Through Hole 3/8" 20Kohms 10% 0.5Watts Square
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Bourns 138
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AUD 1.7403
Multiples of: 1

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