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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1801WSMD-50K


Potentiometer: mounting; vertical, multiturn; 50kO; 250mW; SMD
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SR Passives 731
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AUD 2.1111
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PDB12-H4301-503AF


Bourns Potentiometers 50Kohm 20% 30mm Audio Flat Shaft
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Bourns 730
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AUD 0.8154
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3362M-1-504LF


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 730
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AUD 1.0214
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3852A-282-502AL


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W Solder Lug
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Bourns 730
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AUD 11.646
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RV16AF-20-15S1-A50K-LA


Potentiometers Audio Screwdvr 50K PC Mount
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Alpha Taiwan 729
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AUD 1.1698
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67YR100KLF


Trimmer Resistors - Through Hole 3/8" Squ 100K 10%
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TT Electronics 729
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AUD 1.4806
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67WR10LFTB


Trimmer Resistors - Through Hole 12W 10 Ohms 20% MULTI TURN
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TT Electronics 729
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AUD 1.6395
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PTA4544-2015DPA103


Slide Potentiometers 15MM SHAFT NO DET 45MM STRK DUAL AUD
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Bourns 729
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AUD 1.7984
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RV170SF-10-20K-A14


Potentiometers Audio W/SW Knurled 10K Solder Lugs
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Alpha Taiwan 729
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AUD 1.9231
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3386P-1-102


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 670
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AUD 1.8508
Multiples of: 1

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