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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3296Y-1-224LF


Trimmer Resistors - Through Hole 3/8" 220Kohms Sealed Vertical Adjust
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Bourns 2007
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AUD 1.5351
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TC33X-2-201G


Trimmer Resistors - SMD 3MM 200 OHMS 25% 0.1WATT OPEN FRM
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Bourns 2006
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AUD 0.2106
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RK10J12E0A0A


ALPS Potentiometers Dual Unit 10mm,15A insertion (2mm)
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ALPS 1993
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AUD 2.7051
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3314J-1-222E


Trimmer Resistors - SMD 4MM SQ TRIMPOT 2.2K ST CERMET SMD
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Bourns 1991
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AUD 1.3904
Multiples of: 1

P094N-FC15AR50K


Potentiometers 1/40W 50K Ohms 20% 9mm ROTARY POT
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TT Electronics 1986
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AUD 4.6183
Multiples of: 1

R16148-1A-2-B220K


Potentiometer: shaft; single turn; 220kO; 125mW; ±20%; THT; 6mm
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SR Passives 1960
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AUD 0.2781
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RV16AF-10-15S1-A10K-LA


Potentiometers Audio Screwdrivr 10K Solder Lugs
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Alpha Taiwan 1869
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AUD 1.3006
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PV36W500C01B00


Trimmer Resistors - Through Hole 50ohms 10mm Square 25turn
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Murata 1864
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AUD 1.1943
Multiples of: 1

P0915N-FC15BR10K


BI Technologies TT Electronics Potentiometers 9 mm ROTARY PANEL POT
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TT Electronics 1402
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AUD 1.7882
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3214W-1-202E


2 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 1022
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AUD 2.3785
Multiples of: 250

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