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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P120K-F20AR100K


Potentiometers 1/20W 100K Ohms 20% 12mm ROTARY POT
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TT Electronics 1198
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AUD 1.2808
Multiples of: 1

PDB241-GTR03-504A2


Potentiometers PANEL CONTROL 18MM-ST-CARBON
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Bourns 1197
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AUD 3.1607
Multiples of: 100

PDB182-K220K-104B


Res Carbon Film POT 100K Ohm 20% 0.125W(1/8W) 1(Elec)/1(Mech)Turns 6mm (31.5 X 17 X 21mm) Pin Panel Mount/Through Hole
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Bourns 1196
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AUD 1.8857
Multiples of: 1

PT10YV10-203A2020-5


Trimmer Resistors - Through Hole 20Kohms 10mm No Thumbwheel
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Amphenol 1196
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AUD 0.9096
Multiples of: 1

3329H-1-503


Trimmer Resistors - Through Hole 1/4"RND 50KOHMS 10% 0.5WATTS
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Bourns 1196
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AUD 2.8214
Multiples of: 50

PT10MV11-105A2020-S


Trimmer Resistors - Through Hole
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Amphenol 1194
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AUD 0.5751
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RK12L12A0C0R


Potentiometers 10 KOhms 20%
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ALPS 1194
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AUD 0.7687
Multiples of: 1

P090L-02F25BR50K


Potentiometers 9mm Rotary Panel Potentiometer
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TT Electronics 1193
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AUD 0.9846
Multiples of: 1

P170S2-EC20BR100K


Potentiometers 17mm Rotary Panel Potentiometer
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TT Electronics 1192
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AUD 2.0429
Multiples of: 1

3386F-1-471LF


Bourns Trimmer Resistors - Through Hole 38IN 470 OHMS 10% 0.5Watts Square
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Bourns 1189
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AUD 1.3483
Multiples of: 1

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