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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3862C-166-103AL


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 1W PC Pins
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Bourns 481
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AUD 23.146
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PT06-M-V-104(100K)


±20% 100mW 100kΩ - Variable Resistors/Potentiometers ROHS
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Guosheng 480
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AUD 0.1551
Multiples of: 5

GF063X-B202


Precision Potentiometer 2KOhms ±20% ±100ppm/℃ GF063X RoHS
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Tokyo Cosmos 480
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AUD 0.339
Multiples of: 5

PTL20-10R1-203B2


Slide Potentiometers 20Kohms Travel=20mm Center Detent
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Bourns 480
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AUD 2.3269
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RV161SF-10-012J-A14-00K


Potentiometers Audio 10K W/SW Solder Lugs
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Alpha Taiwan 480
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AUD 2.7115
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3352T-1-201


Trimmer Resistors - Through Hole 3/8INRND 200 OHM 20% 0.5WATTS
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Bourns 480
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AUD 3.7295
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3269X-1-201GLF


Trimmer Resistors - SMD 1/4IN 200 OHMS 10% Horizontal Adjust
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Bourns 480
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AUD 3.7331
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93R1A-R22-A23L


500k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W PC Pins
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Bourns 480
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AUD 6.627
Multiples of: 5

Hot 3266W-1-102LF


1 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 473
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AUD 1.578
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Hot 3313J-1-200E


Trimmer Resistors - SMD 3mm 20 OHM Vertical Adjust
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Bourns 470
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AUD 0.5876
Multiples of: 1

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