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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PT10MV10-104A2020-S


Trimmer Resistors - Through Hole 100Kohms 10mm Rnd Top adj Steel Lead
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Amphenol 4918
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AUD 0.44
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Hot 3224W-1-104E


100 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 3669
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AUD 1.2358
Multiples of: 1

78PR25KLF


Trimmer Resistors - Through Hole 25K ohm 10%
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TT Electronics 815
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AUD 5.6548
Multiples of: 1

89PR100LF


Trimmer Resistors - Through Hole 3/4" Rect 100 10% 20-turn
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TT Electronics 814
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AUD 1.3619
Multiples of: 1

PTL60-15O0-104B2


Slide Potentiometers 100Kohms Travel=60mm
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Bourns 814
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AUD 2.3754
Multiples of: 1

PTL45-15R0-104B2


Slide Potentiometers 100Kohms Travel=45mm
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Bourns 814
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AUD 2.4946
Multiples of: 1

3310Y-101-103L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 814
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AUD 3.2127
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CA9V 250R


Potentiometer: mounting; single turn, horizontal; 250O; 0.15W
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ACP 813
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AUD 0.2289
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RV09AF-40-30K-C100K


Potentiometers Audio 9mm 100K ohm 30mm Shaft
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Alpha Taiwan 813
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AUD 0.9952
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3314J-1-104E


100 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 648
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AUD 0.5612
Multiples of: 1

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