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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T7YB105MB40


Trimmer Resistors - Through Hole T7 YB 1M 20% BO e2
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Vishay 189
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AUD 4.5149
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M63X105KB40


Trimmer Resistors - Through Hole 3/8"SQ 1Mohms 10% Single Turn Cermet
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Vishay 189
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AUD 6.206
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M63P204KB40


Trimmer Resistors - Through Hole 3/8"SQ 200Kohms 10% Single Turn Cermet
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Vishay 189
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AUD 7.306
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M63P103KB30T640


Trimmer Resistors - Through Hole 3/8"SQ 10Kohms 10% Single Turn Cermet
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Vishay 189
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AUD 7.2692
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RV16AF-20-15S1-C100K-LA


Potentiometers REV AUDIO 100K Screwdvr PC Mount
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Alpha Taiwan 188
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AUD 1.1
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3386K-1-103LF


Trimmer Resistors - Through Hole 38" 10Kohms 10% 0.5Watts Square
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Bourns 188
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AUD 1.3299
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72PR10KLFTB


Trimmer Resistors - Through Hole 1/2W 10K Ohms 10% SINGLE TURN
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TT Electronics 188
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AUD 1.43
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RJR26FW104R


Trimmer Resistors - Through Hole 100ppm 100Kohms 12 TURNS NOM.
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Bourns 184
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AUD 10.0149
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3852A-162-502AL


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W Solder Lug
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Bourns 140
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AUD 11.6239
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RJ26FW104


Bourns Trimmer Resistors - Through Hole 100K 14" 10% MultiTurn Cermet
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Bourns 16
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AUD 9.3284
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