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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T93XB202KT20


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Side Adjustment
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Vishay 247
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AUD 1.5243
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RV24AF-10-15F-A1M-LA


Potentiometers Audio D-Shaft 1MEG
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Alpha Taiwan 247
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AUD 1.5365
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251B12T103A4NB


Res POT 10K Ohm 10% 0.01W 1(Elec)/1(Mech)Turns 3.96mm (17.1 X 10 X 11.1mm) Pin Thru-Hole
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CTS 247
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AUD 1.8958
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T93Z103KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 10K
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Vishay 247
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AUD 2.1459
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3006Y-1-204LF


200 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 247
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AUD 2.2698
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T18504KT10


Trimmer Resistors - Through Hole 3/4" H/ADJ 500K
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Vishay 247
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AUD 2.427
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3224W-2-202E


Bourns Trimmer Resistors - SMD 4mm 2Kohms 10% Square Cermet Sealed
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Bourns 247
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AUD 3.5794
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PCW1J-C24-BAB103L


Potentiometers 10K 20% Sq 22mm Single Turn
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Bourns 246
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AUD 6.373
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T67X-50K


Potentiometer: mounting; multiturn; 50kO; 250mW; ±10%; linear
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SR Passives 245
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AUD 0.5444
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PT10MH01-504A2020


Trimmer Resistors - Through Hole 500Kohms 10mm Rnd Side adj
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Amphenol 245
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AUD 0.575
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