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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RV24AF-10-20K-B500K-LA


Potentiometers Linear Knurled 500K
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Alpha Taiwan 1147
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AUD 1.3627
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RV4NAYSJ253A


Potentiometers 25K ohm 10% 28.45mm
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ETI Systems 182
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AUD 38.1881
Multiples of: 1

RV24AF-10-20K-B100K-LA


Potentiometers Linear Knurled 100K
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Alpha Taiwan 181
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AUD 1.3627
Multiples of: 1

3386C-1-503


Trimmer Resistors - Through Hole 3/8"SQ 50KOHMS 10% 0.5WATTS
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Bourns 181
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AUD 1.7075
Multiples of: 1

PTD901-1015K-B203


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 181
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AUD 1.7403
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T93Z502KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 5K
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Vishay 181
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AUD 1.9373
Multiples of: 1

3224G-1-502E


SMD-3P,4.8x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 181
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AUD 2.1888
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M64Y500KB40


Trimmer Resistors - Through Hole 3/8"SQ 50ohms Multi Turn Cermet
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Vishay 181
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AUD 2.8567
Multiples of: 1

3386W-1-253LF


25 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 179
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AUD 1.0475
Multiples of: 1

3214W-1-200E


20 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 171
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AUD 2.0522
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