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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ST-4ETH502


Trimmer Resistors - SMD 5 KW 4mm SMD single turn Gull wing, side adj.
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Nidec Copal 465
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AUD 2.0778
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3329P-DK9-104LF


Trimmer Resistors - Through Hole 14" RD TRIMPOT 100K ST CERMET
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Bourns 465
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AUD 2.4095
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3214W-2-502E


Trimmer Resistors - SMD 4MM SQ 5KOHMS 10% 5TURN
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Bourns 465
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AUD 3.0577
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3224G-1-201E


200 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 465
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AUD 3.5525
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PSL01-1082A-103B1


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 465
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AUD 51.718
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3362Z-1-103LF


Trimmer Resistors - Through Hole 1/4"SQ 10KOHMS 10% 0.5WATTS
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Bourns 464
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AUD 0.9857
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PTD902-1025K-A103


Bourns Potentiometers 10K AUDIO
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Bourns 464
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AUD 2.2
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PS30L-N12FBR10K


Slide Potentiometers 10K ohm 20% Green Slide Potentiometer
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TT Electronics 464
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AUD 2.4968
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3362H-1-504LF


Trimmer Resistors - Through Hole 1/4"SQ 500KOHMS 10% 0.5WATTS
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Bourns 463
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AUD 1.3532
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3540S-1-103L


Precision Potentiometers 7/8"WW 10Kohms 0.25% 10turn
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Bourns 459
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AUD 32.9127
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