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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3290W-1-502


5 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Wirewound 25.0 Turn Top Adjustment
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Bourns 85
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AUD 37.8269
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3292X-1-503LF


Trimmer Resistors - Through Hole 3/8" 50Kohms Sealed 10% Vertical Mount
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Bourns 36
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AUD 12.0507
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404802692042


TE Connectivity Citec Potentiometers 1 MOhms 2W Cermet
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TE Connectivity 36
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AUD 24.7582
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3059P-1-501M


Trimmer Resistors - Through Hole 500 OHMS 10% 1-14IN Panel Mount
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Bourns 36
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AUD 24.5612
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P11L2V0FLSY00503KA


Potentiometers 12.5mm Dual 50K10% 6mm slotted shaft
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Vishay 36
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AUD 39.1346
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534B1501JL


Precision Potentiometers 7/8" 10 Turns 500ohms 5% Lin .2%
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Vishay 36
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AUD 40.6836
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3059J-1-253M


TRIMMER-1 1/4in RECT MT CER
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Bourns 36
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AUD 50.972
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CMU3552E


Res POT 3.5M Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (38.1 X 29.4mm) Solder Lug Panel Mount
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Ohmite 36
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AUD 54.3097
Multiples of: 2

MW22B-3-200


Precision Potentiometers 1W 200ohms 5%
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ETI Systems 36
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AUD 63.603
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MW22B-10-100


Precision Potentiometers 2W 100ohms 5%
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ETI Systems 13
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AUD 41.6194
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