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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3005P-1-501


Trimmer Resistors - Through Hole 500ohms 3/4inch Rectangular Cermet
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Bourns 734
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AUD 22.7183
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3386F-1-222LF


Bourns Trimmer Resistors - Through Hole 38" 2.2Kohms 10% 0.5Watts Square
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Bourns 733
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AUD 1.1663
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PTD903-2015P-A203


Potentiometers 20K AUDIO
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Bourns 733
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AUD 2.5298
Multiples of: 1

G43AT-B102


Potentiometer: mounting; single turn; 1kΩ; 250mW; SMD; ±20%; linear
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Tocos 732
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AUD 0.6267
Multiples of: 1

PTD901-1015F-B203


Bourns Potentiometers 20K LINEAR
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Bourns 732
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AUD 1.4841
Multiples of: 162

PDB181-GTR01-254B0


Potentiometers 250KOHMS KNURLED SNG SOLDER LUGS
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Bourns 732
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AUD 1.9905
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T18102KT10


Trimmer Resistors - Through Hole 3/4" H/ADJ 1K
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Vishay 732
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AUD 2.4619
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PTH901-130K-504A3


Potentiometers PANEL CONTROL - 9MM-ST-CARBON
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Bourns 732
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AUD 3.7295
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PTV09A-4030F-B503


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 731
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AUD 0.8783
Multiples of: 1

G43SAT1-B101


Potentiometer: mounting; single turn; 100Ω; 250mW; SMD; ±20%
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Tocos 731
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AUD 0.9889
Multiples of: 1

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