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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PDB12-F4251-104BF


Potentiometers 100K LINEAR 12MM
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Bourns 884
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AUD 0.9638
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RK09K1130A8G


Res POT 10K Ohm 20% 1(Elec)/1(Mech)Turn 6mm (9.8 X 18.8mm) Pin Bracket Mount/Through Hole
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ALPS 883
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AUD 0.6249
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PTV09A-7020F-B503


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 50 kohms 20 mm
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Bourns 883
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AUD 0.8608
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RA4520F-10-20D1-B50K


Slide Potentiometers 45mm TRVL Linear 50K
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Alpha Taiwan 883
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AUD 1.7286
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3214W-1-501G


Trimmer Resistors - SMD 4mm SQ 500ohm 10% 5Turn
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Bourns 882
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AUD 2.6095
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3269W-1-503GLF


Trimmer Resistors - SMD 1/4" 50Kohms 10% Vertical Adjust
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Bourns 882
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AUD 3.8063
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PDB181-K220K-104B


Res Carbon Film POT 100K Ohm 20% 0.2W(1/5W) 1(Elec)/1(Mech)Turns 6mm (29.5 X 17 X 21mm) Pin Panel Mount/Through Hole
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Bourns 881
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AUD 1.2833
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PTV09A-4030F-C203


Potentiometers PANEL CONTROL - 9MM-ST-CA
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Bourns 880
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AUD 0.7997
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3386W-1-503LF


Trimmer Resistors - Through Hole 3/8" 50Kohms 10% 0.5Watts Square
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Bourns 880
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AUD 1.1663
Multiples of: 1

RV24AF-10-20K-B2M-LA


Potentiometers Linear Knurled 2MEG
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Alpha Taiwan 880
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AUD 1.5365
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