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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RV141F-40E3-18BL-B20K


Potentiometers Linear 18mm 20K PC MOUNT
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Alpha Taiwan 782
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AUD 2.1236
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3306F-1-105


1 MOhms 0.2W, 1/5W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 782
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AUD 0.4229
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T7YA473MB40


Trimmer Resistors - Through Hole 47K 20% 7MM SINGLETURN
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Vishay 782
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AUD 3.3155
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PDB241-GTR02-105A2


Potentiometers 0.25watt 1.0Mohms 20% Plain
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Bourns 781
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AUD 3.1522
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026TB32R100B1A1


10 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 5W Solder Lug
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CTS 781
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AUD 4.6912
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3306P-1-473


Trimmer Resistors - Through Hole TRIMMER -SMD 6MM RD ST CERMET OPEN FRAME
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Bourns 781
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AUD 0.3284
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PT01-B125D-B103


Precision Potentiometers rotary potentiometer single channel vertical 25mm D-cut linear taper 10K ohm
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Same Sky 781
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AUD 0.6993
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R16148D-1A-2-B500K


Potentiometer: shaft; single turn; 500kO; 125mW; ±20%; THT; 6mm
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SR Passives 640
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AUD 0.2988
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64XR100KLF


Trimmer Resistors - Through Hole 1/4" Squ 100K 10%
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TT Electronics 610
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AUD 1.8071
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RV24AF-10-15R1-B10K-3LA


Potentiometers Linear 10K
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Alpha Taiwan 272
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AUD 1.5583
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