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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CA9MH 50K


Potentiometer: mounting; single turn, vertical; 50kO; 0.15W; ±20%
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ACP 1459
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AUD 0.274
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PTV09A-2030F-A103


Potentiometers PANEL CONTROL - 9MM-ST-CARBON 10 kohms 30 mm
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Bourns 987
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AUD 0.7071
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PT15RV15-104A1010-PM-S


Trimmer Resistors - Through Hole
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Amphenol 987
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AUD 0.88
Multiples of: 1

PDB12-H4201-103BF


Potentiometers 10K LINEAR 12MM
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Bourns 986
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AUD 0.8753
Multiples of: 1

3224W-2-502E


5 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 985
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AUD 3.4571
Multiples of: 1

3386P-1-221LF


Trimmer Resistors - Through Hole 3/8" 220ohms 10% 0.5Watts Square
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Bourns 985
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AUD 1.078
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72PR1KLFTB


Trimmer Resistors - Through Hole 1K ohm 10% Single Turn
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TT Electronics 985
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AUD 2.0179
Multiples of: 50

SM-42TA102


Res Cermet Trimmer 1K Ohm 10% 1/4W 11(Elec)Turn 1.5mm (4.8 X 5 X 3.7mm) J-Hook SMD T/R
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Nidec Copal 983
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AUD 2.8215
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RV24AF-10-15R1-A250K-3LA


Potentiometers Audio 250K
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Alpha Taiwan 979
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AUD 1.6029
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Hot PT10LH01-101A2020-S


Trimmer Resistors - Through Hole 100ohms 10mm Rnd Side adj Steel lead
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Amphenol 974
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AUD 0.316
Multiples of: 1

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