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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3214X-1-503E


50 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 1195
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AUD 2.0687
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P160KNP-0QC20A100K


Potentiometers 1/10W 100K Ohms 20% 16mm ROTARY POT
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TT Electronics 709
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AUD 1.5075
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RV24AF-10-20K-B5M-LA


Potentiometers Linear Knurled 5 Meg
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Alpha Taiwan 709
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AUD 1.3829
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72XR20KLFTB


Trimmer Resistors - Through Hole 12W 20K Ohms 10% SINGLE TURN
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TT Electronics 709
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AUD 1.5137
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3296X-1-223LF


Trimmer Resistors - Through Hole 3/8" 22Kohms Sealed Horizontal Adjust
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Bourns 708
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AUD 1.7794
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G43SAT1-B201


Potentiometer: mounting; single turn; 200Ω; 250mW; SMD; ±20%
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Tocos 708
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AUD 0.6896
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RV170F-24-20K-B50K-3021


Potentiometers Linear Knurled 50K PC Mount
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Alpha Taiwan 708
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AUD 1.2367
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Hot 3296X-1-203ALF


Res Cermet Trimmer 20K Ohm 10% 0.5W(1/2W) 25(Elec)Turns 2.19mm (11.05 X 4.83 X 10.03mm) Pin Thru-Hole Ammo
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Bourns 701
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AUD 2.2465
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PT15NV02-254A2020-S


Potentiometer: mounting; single turn, horizontal; 250kO; 250mW
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Amphenol 696
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AUD 0.5225
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PTV111-1415A-B103


Potentiometers 10K LINEAR 20%
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Bourns 2
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AUD 1.1124
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