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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3329H-1-101LF


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 230
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AUD 2.2
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93PR2KLF


2 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 230
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AUD 3.1254
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3296Y-1-201


Trimmer Resistors - Through Hole 3/8" 200ohms Sealed Vertical Adjust
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Bourns 230
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AUD 3.1254
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3223W-1-101


Trimmer Resistors - SMD 100 OHM 3mm 20%
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Bourns 230
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AUD 4.1381
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PTB0143-2010BPA103


Slide Potentiometers 10K AUDIO
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Bourns 230
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AUD 6.5385
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404802692030


TE Connectivity Citec Potentiometers
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TE Connectivity 230
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AUD 28.3077
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RA4520F-10-20D1-B100K


Slide Potentiometers 45mm TRVL Linr 100K
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Alpha Taiwan 229
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AUD 1.7286
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PTD902-2015P-B203


Potentiometers 20K LINEAR
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Bourns 229
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AUD 2.3222
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PC16SH-07CP04-104A2020-TA


Potentiometers
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Amphenol 229
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AUD 2.3397
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3266Y-1-101LF


100 Ohms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 229
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AUD 3.0849
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