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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PTD901-2015K-B502


Res Carbon Film POT 5K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (22.05 X 9.5 X 11.3mm) Pin Panel Mount/Through Hole Autom ...
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Bourns 1135
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AUD 1.7635
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RA6043F-20-10EB1-B14


Slide Potentiometers 60mm TRVL Linear 10K PC Mount
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Alpha Taiwan 1135
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AUD 2.2349
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3214W-1-223E


Trimmer Resistors - SMD 4mm SQ 22K
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Bourns 1134
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AUD 2.3016
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3224J-1-202E


2 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 1132
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AUD 1.4567
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3314J-2-503E


Trimmer Resistors - SMD 4mm SQ 50K
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Bourns 1132
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AUD 1.2484
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PVG5A105C03R00


1 MOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Murata 1132
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AUD 2.3846
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R16148-1A-1-A500K


Potentiometer: shaft; single turn; 500kO; 63mW; ±20%; on cable; 6mm
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SR Passives 1131
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AUD 0.3282
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RV16A03F-10-15R1-B10K-0030


Potentiometers Linear W/SW 10K
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Alpha Taiwan 1130
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AUD 2.0079
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3386P-1-221LF


Trimmer Resistors - Through Hole 3/8" 220ohms 10% 0.5Watts Square
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Bourns 1129
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AUD 1.0075
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3203X203P


TE Connectivity Citec Trimmer Resistors - SMD 20KOhm 0.05W Cermet
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TE Connectivity 1129
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AUD 1.9206
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