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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3362P-1-503


Trimmer Resistors - Through Hole 1/4"SQ 50KOHMS 10% 0.5WATTS
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Bourns 279
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AUD 1.437
Multiples of: 1

PTL20-10O1-104B2


Slide Potentiometers 100Kohms Travel=20mm Center Detent
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Bourns 279
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AUD 2.0429
Multiples of: 1

P092N-QC15AR20K


Res Conductive Plastic POT 20K Ohm 20% 0.025W 1(Elec)/1(Mech)Turns 6mm (24.55 X 9.5 X 11.35mm) Pin Panel Mount/Through Hole
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TT Electronics 279
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AUD 2.4619
Multiples of: 1

3299X-1-203


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 279
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AUD 3.9286
Multiples of: 1

PTL01-15R0-103B1


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 279
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AUD 5.1664
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Y4053100R000J0L


100 Ohms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Metal Foil 21.0 Turn Top Adjustment
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Vishay 279
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AUD 94.3381
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3362R-1-202


Trimmer Resistors - Through Hole 1/4"SQ 2KOHMS 10% 0.5WATTS
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Bourns 278
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AUD 1.2868
Multiples of: 1

T16SH-M04N-103A2020-TA


Potentiometers
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Amphenol 278
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AUD 6.8794
Multiples of: 1

23ESB222MMF50NF


Potentiometers 23E 2K2B 6.35X50FL B7 CAT
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TE Connectivity 278
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AUD 8.5818
Multiples of: 1

JC10-000-502N


Potentiometers 324 degree electrical angle, .125 W, 5 kOhm resistance, sensing single turn conductive plastic, 2% linearity, 10mm diameter, wirewrap leads
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Nidec Copal 278
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AUD 13.2361
Multiples of: 1

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