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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3260W-1-501


Res Wirewound Trimmer 500 Ohm 5% 0.25W(1/4W) 11(Elec)Turn 1.78mm (6.35 X 4.32 X 7.24mm) Pin Thru-Hole Tube
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Bourns 48
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AUD 42.2925
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3290P-1-253


Trimmer Resistors - Through Hole 3/8" 25Kohms Sealed Horizontal Adjust 5%
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Bourns 48
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AUD 45.7463
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3549S-2AA-101/101A


Precision Potentiometers 100uH/100uH 7/8" 22MM DIA 10T WW
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Bourns 48
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AUD 47.3623
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3549H-1BA-103B


Precision Potentiometers PRECISION POT-78" 22MM DIA 10T WW
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Bourns 48
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AUD 51.9299
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370L-200K


Cermet Trimmer - 200K Ohm - 1W.
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Honeywell 48
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AUD 54.459
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370L-500


Cermet Trimmer - 500 Ohm - 1W.
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Honeywell 48
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AUD 54.8116
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3548H-1AA-103B


Bourns Precision Potentiometers PRECISION POT-78" 22MM DIA 5T HYBRID
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AUD 58.7269
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370L-50K


Cermet Trimmer - 50K Ohm - 1W.
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Honeywell 48
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AUD 63.6073
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3381R5KL.5


3381R5KL.5
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TT Electronics 48
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AUD 66.82
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3057J-1-103


Trimmer Resistors - Through Hole 10Kohms 5% 1 1/4" J Connector
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AUD 70.3172
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