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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3009Y-1-504


Trimmer Resistors - Through Hole 500Kohms 10% 3/4inch rectangular
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Bourns 318
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AUD 3.4328
Multiples of: 100

3223G-1-104E


Trimmer Resistors - SMD 3MM SQ MT CERMET TRIMMER
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Bourns 318
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AUD 3.5299
Multiples of: 1

RV141F-40-20BL-B10K


Potentiometers 20mm LINEAR 10K PC Mount
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Alpha Taiwan 317
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AUD 1.9209
Multiples of: 1

PRS11R-225F-S203A3


Potentiometers 20K 20% 11MM ROTARY POT
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Bourns 317
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AUD 2.6104
Multiples of: 1

T63YB503KT20


50 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Top Adjustment
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Vishay 317
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AUD 3.2672
Multiples of: 1

RV170SF-10-20K-A1K-0021


Potentiometers Audio W/SW Knurled 1K Solder Lugs
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Alpha Taiwan 316
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AUD 1.9209
Multiples of: 1

PTD902-2215K-B203


Res Carbon Film POT 20K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (24.65 X 9.5 X 11.3mm) Pin Panel Mount/Through Hole Automotive
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Bourns 311
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AUD 2.0522
Multiples of: 1

RK1631110U1Q


ALPS Potentiometers 10 KOhms 20%
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ALPS 308
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AUD 2.3149
Multiples of: 1

MW22B-10-10K


Precision Potentiometers 2W 10Kohms 5%
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ETI Systems 308
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AUD 41.6194
Multiples of: 1

89PR100LF


Trimmer Resistors - Through Hole 3/4" Rect 100 10% 20-turn
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TT Electronics 274
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AUD 1.3019
Multiples of: 1

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