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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PTA4544-2010CIB103


Slide Potentiometers 10K LINEAR
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Bourns 166
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AUD 1.806
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3386W-1-101


Bourns Trimmer Resistors - Through Hole 38"SQ 100OHMS 10% 0.5WATTS
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Bourns 166
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AUD 2.0522
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3314S-1-503E


Trimmer Resistors - SMD 4mm SQ 50K
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Bourns 166
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AUD 2.76
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3310C-125-102L


Potentiometers 9mm 1Kohms Single Cup
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Bourns 166
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AUD 3.1851
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3006Y-1-200LF


20 Ohms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 165
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AUD 1.6429
Multiples of: 1

3352W-1-104


Trimmer Resistors - Through Hole 3/8"RND 100KOHMS 20% 0.5WATTS
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Bourns 165
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AUD 3.1687
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PCW1J-B24-BAB105L


Potentiometers 1M 20% Sq 22mm Single Turn
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Bourns 165
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AUD 7.4537
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M64W500KB40


50 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 116
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AUD 2.6597
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67YR10KLFTB


BI Technologies TT Electronics Trimmer Resistors - Through Hole 10K ohm 10% 38" Squ
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TT Electronics 109
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AUD 1.389
Multiples of: 1

PTV111-3415A-B5103


Potentiometers PANEL CONTROL
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Bourns 20
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AUD 1.3528
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