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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PTV111-4420A-A104


Potentiometers 100K AUDIO 20%
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Bourns 672
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AUD 1.1788
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RV120DF-20-15A-B100K


Potentiometers Linear D-Shaft 100K PC Mount
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Alpha Taiwan 672
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AUD 1.3627
Multiples of: 1

68XR50KLF


Trimmer Resistors - Through Hole 3/8" Squ 50K 10%
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TT Electronics 672
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AUD 1.5321
Multiples of: 1

72PMR500KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 38" Squ 500K 10%
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TT Electronics 671
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AUD 1.5955
Multiples of: 100

3339H-1-102


Trimmer Resistors - Through Hole 1K 5/16" Rnd 4Turn Cermet
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Bourns 671
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AUD 6.338
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TS63Y500KR10


Trimmer Resistors - SMD 1/4" SQ 50u 10%
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Vishay 663
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AUD 3.6614
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RV09AF-20-20K-B100K


Potentiometers 9mm Linear 100K
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Alpha Taiwan 663
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AUD 0.7388
Multiples of: 1

3310C-001-503L


Potentiometers 9mm 50Kohms Single Cup
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Bourns 658
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AUD 2.7577
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CT-94EW503


Trimmer Resistors - Through Hole 50 KW 9mm sq. multi turn top adjust, in-line pins
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Nidec Copal 574
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AUD 1.3972
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1624181-1


Potentiometers 27E DUAL 50KA 6.35X50FL
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TE Connectivity 336
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AUD 6.9366
Multiples of: 100

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