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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PTV09A-4020U-B104


Bourns Potentiometers 100K 20% 9mm Linear Snap In
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Bourns 1746
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AUD 0.7388
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3352T-1-104


Trimmer Resistors - Through Hole 3/8"RND 100KOHMS 20% 0.5WATTS
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Bourns 387
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AUD 3.2836
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93R1A-R22-A25L


1M Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W PC Pins
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Bourns 387
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AUD 7.2892
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PDB181-E415F-105A2


Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 386
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AUD 1.2051
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T93YA205KT20


Vishay Sfernice Trimmer Resistors - Through Hole 38" SQ VADJ 2M
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Vishay 386
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AUD 1.5318
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M64X503KB40


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 23.0 Turn Side Adjustment
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Vishay 386
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AUD 2.6597
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CT-6EX104


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Nidec Copal 385
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AUD 0.905
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3214X-1-204E


Trimmer Resistors - SMD 4MM SQ 200KOHMS 10% 5TURN
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Bourns 347
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AUD 2.0687
Multiples of: 1

3224G-1-103E


SMD-3P,4.8x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 343
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AUD 1.7537
Multiples of: 1

3299W-1-102LF


Trimmer Resistors - Through Hole 1Kohms Standoffs Vertical Adjust 3/8"
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Bourns 129
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AUD 3.594
Multiples of: 1

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