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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RV4NAYSD502A


POT 5K OHM 2W CARBON LINEAR
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Precision Electronics 4631
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AUD 20.9445
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RA2043F-20-10EB1-B10K


Slide Potentiometers 20mm TRVL LINEAR 10K PC Mount
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Alpha Taiwan 995
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AUD 1.162
Multiples of: 1

P231-FC20AR100K


100k Ohm 1 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W Solder Lug
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TT Electronics 995
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AUD 1.87
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RK09L12D0A1T


ALPS Potentiometers Flat 20mm 10k
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ALPS 994
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AUD 1.6066
Multiples of: 1

3306K-1-254


Trimmer Resistors - Through Hole 250K 25% 6mm Single Turn
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Bourns 992
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AUD 0.4219
Multiples of: 1

RV24AF-10-15R1-A1K-3LA


Potentiometers Audio 1K
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Alpha Taiwan 992
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AUD 1.3426
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T73YP104KT20


Trimmer Resistors - Through Hole 1/4" SQ V/ADJ 100K
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Vishay 985
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AUD 1.1065
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3296Y-1-504LF


Trimmer Resistors - Through Hole 3/8" 500Kohms Sealed Vertical Adjust
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Bourns 701
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AUD 1.6215
Multiples of: 100

G43AT-B202


Potentiometer: mounting; single turn; 2kΩ; 250mW; SMD; ±20%; linear
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Tocos 0
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AUD 0.526
Multiples of: 1

3224X-1-203E


20 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 0
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AUD 3.0962
Multiples of: 200

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