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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3362P-1-203


Res Cermet Trimmer 20K Ohm 10% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 2.77mm (6.6 X 6.99 X 4.7mm) Pin Thru-Hole Tube
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Bourns 25
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AUD 1.2904
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89PR50LF


Trimmer Resistors - Through Hole 3/4" Rect 50 10% 20-turn
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TT Electronics 25
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AUD 1.389
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RV24AF-10-20K-B50K-LA


Potentiometers Linear Knurled 50K
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Alpha Taiwan 25
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AUD 1.7239
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3214W-2-501E


Bourns Trimmer Resistors - SMD 4MM SQ MT CERMET TRIMMER SMD
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Bourns 25
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AUD 3.4423
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PTD908-1020F-B202


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 25
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AUD 5.5985
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3059P-1-203LF


Trimmer Resistors - Through Hole 20Kohms 10% 1-1/4" PC Mount
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Bourns 25
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AUD 8.981
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3059Y-1-202


Trimmer Resistors - Through Hole 2Kohms 10% 1-1/4" PC Mount
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Bourns 25
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AUD 10.9836
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P16BP222MAB15


Potentiometers 2.2Kohms 20% Linear Plastic Blue
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Vishay 25
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AUD 23.609
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3009Y-1-103LF


10 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 23
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AUD 2.1179
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MFP220


Switch Slide DPDT Top Slide 0.35A 30VDC 10000Cycles PC Pins Thru-Hole
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Knitter-Switch 21
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AUD 1.5463
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