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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3296W-1-250LF


Trimmer Resistors - Through Hole 3/8" 25ohms Sealed Vertical Adjust
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Bourns 463
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AUD 1.7943
Multiples of: 1

3214W-1-105E


1 MOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 463
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AUD 2.1127
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3329H-1-202LF


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 463
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AUD 2.2
Multiples of: 1

3310C-001-503L


Potentiometers 9mm 50Kohms Single Cup
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Bourns 463
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AUD 2.6016
Multiples of: 1

PTH902-130F-502B1


Potentiometers 30MM SHAFT 5KOHMS DUAL CEN DET
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Bourns 463
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AUD 3.75
Multiples of: 1

P091N-FC25BR100K


Potentiometers 1/20W 100K Ohms 20% 9mm ROTARY POT
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TT Electronics 462
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AUD 1.8159
Multiples of: 1

91A1A-B28-B22L


Potentiometers 250K 20% 5/8" SQ ST
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Bourns 462
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AUD 6.5825
Multiples of: 1

PTA6044-2015DPB103


Slide Potentiometers 10K LINEAR
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Bourns 461
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AUD 2.1651
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ST-5ETW503


50 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 14.0 Turn Top Adjustment
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Nidec Copal 461
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AUD 3.2109
Multiples of: 1

39LB-1PB-103


10k Ohm 1 Gang Linear Panel Mount Potentiometer Momentary Push, SPST 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 374
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AUD 18.6127
Multiples of: 1

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