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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CA9H 1K


Potentiometer: mounting; single turn, vertical; 1kO; 0.15W; ±20%
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ACP 1236
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AUD 0.2333
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CA9V 2K5


Potentiometer: mounting; single turn, horizontal; 2.5kO; 0.15W
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ACP 1236
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AUD 0.2489
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3386V-1-103LF


Bourns Trimmer Resistors - Through Hole 38" 10Kohms 10% 0.5Watts Square
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Bourns 1236
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AUD 1.2397
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PT15NV24-103A2020E


Trimmer Resistors - Through Hole 10Kohms 15mm Rnd Carbon
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Amphenol 1235
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AUD 0.8038
Multiples of: 1

PS45M-0MC2FAR50K


Slide Potentiometers 50K Ohms 20% SLIDE POTENTIOMETER
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TT Electronics 1235
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AUD 1.781
Multiples of: 1

3224J-1-153E


Trimmer Resistors - SMD 4MM SQ MT CERMET TRIMMER SMD
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Bourns 1235
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AUD 3.3299
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P090L-01F15BR10K


Potentiometers 0.03W 10K Ohms 20% 9mm ROTARY POT
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TT Electronics 1234
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AUD 1.2257
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PTA4543-2215CPB103


Bourns Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 1234
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AUD 1.7321
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3314G-1-504E


500 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 1233
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AUD 1.2763
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RK09K1130081


Res POT 10K Ohm 20% 1(Elec)/1(Mech)Turn 6mm Snap-In Panel Mount
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ALPS 799
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AUD 0.9849
Multiples of: 1

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