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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PDB241-GTR02-504C2


Potentiometers 500K REVERSE AUDIO
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Bourns 385
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AUD 3.2651
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27ESA503MMF50N


Potentiometers 27E DUAL 50KA 6.35X50FL
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TE Connectivity 385
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AUD 6.4254
Multiples of: 1

53CAA-E20-A10L


Potentiometers 1K 10% 1/2" Sealed Square
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Bourns 385
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AUD 8.8524
Multiples of: 1

64WR1MEGLF


Trimmer Resistors - Through Hole 6.35MM 1/4" 12-TURN SEALED
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TT Electronics 384
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AUD 1.9032
Multiples of: 1

3214G-1-502E


5 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Side Adjustment
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Bourns 384
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AUD 2.0952
Multiples of: 1

PTL45-15O1-503B2


Bourns Slide Potentiometers 50Kohms Travel=45mm Center Detent
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Bourns 384
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AUD 2.4968
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CA14NV12,5-50KA2020


Potentiometer: mounting; single turn, horizontal; 50kO; 250mW
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ACP 383
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AUD 0.3328
Multiples of: 1

GF063P1-B504


Precision Potentiometer 500KOhms ±20% ±100ppm/℃ GF063P1 RoHS
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Tokyo Cosmos 383
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AUD 0.3587
Multiples of: 5

PT10MH01-104A2020


Trimmer Resistors - Through Hole 100Kohms 10mm Rnd Side adj
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Amphenol 383
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AUD 0.5867
Multiples of: 1

CT-9EW503


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 18.0 Turn Top Adjustment
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Nidec Copal 0
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AUD 2.145
Multiples of: 1

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