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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TC42X-2-102E


Trimmer Resistors - SMD 1K 2mm SMD Single Turn
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Bourns 207
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AUD 0.4006
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T64H-200K


Potentiometer: mounting; single turn; 200kO; 500mW; ±20%; cermet
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SR Passives 121
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AUD 0.6457
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PTA2043-2010CIB254


250 kOhms 0.1W, 1/10W Through Hole Slide Potentiometer Top Adjustment Type
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Bourns 121
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AUD 1.1854
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RK09L1220A1B


Potentiometers 100 KOhms 20%
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ALPS 120
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AUD 1.691
Multiples of: 1

3590S-6-502L


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 116
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AUD 16.2209
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PDB181-K415K-102A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 111
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AUD 1.3446
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3386H-1-502


Trimmer Resistors - Through Hole 3/8"SQ 5KOHMS 10% 0.5WATTS
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Bourns 111
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AUD 1.563
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RV24AF-10-15R1-A250K-3LA


Potentiometers Audio 250K
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Alpha Taiwan 76
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AUD 1.6746
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PTD901-2015K-A103


Res Carbon Film POT 10K Ohm 20% 0.025W 1(Elec)/1(Mech)Turns 6mm (22.05 X 9.5 X 11.3mm) Pin Panel Mount/Through Hole Automotive
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Bourns 54
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AUD 1.7567
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92R1A-J22-L15L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 1W Solder Hook
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Bourns 34
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AUD 17.206
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