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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SM-3TW101


Trimmer Resistors - SMD 100 W 3mm SMD multi turn J-lead, top adj., 11 turn
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Nidec Copal 614
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AUD 2.8143
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RV112BCF-40-25A-B500K


Potentiometers 11mm Linear 500K Dual Unit-Vert PC MT
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Alpha Taiwan 612
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AUD 1.5557
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PTD904-1215K-B503


Potentiometers PANEL CONTROL 9MM-ST-CARBON
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Bourns 612
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AUD 3.7885
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PTV111-1415A-B1105


Bourns Potentiometers PANEL CONTROL
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Bourns 611
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AUD 1.1788
Multiples of: 1

CA9H 2K5


Potentiometer: mounting; single turn, vertical; 2.5kO; 0.15W; ±20%
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ACP 611
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AUD 0.2278
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MMP421-R


Switch Slide ON ON Side Slide 0.2A 12VDC 5000Cycles PC Pins Thru-Hole
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Knitter-Switch 611
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AUD 2.3685
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P160KNP-0FC15A10K


Potentiometers 1/10W 10K Ohms 20% 16mm ROTARY POT
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TT Electronics 610
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AUD 1.5075
Multiples of: 1

RA2043F-20-10EB1-B5K


Slide Potentiometers 20mm TVL LINEAR 5K PC Mount
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Alpha Taiwan 608
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AUD 1.2313
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RV09AF-40-20K-A54


Potentiometers Audio 9mm 50K
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Alpha Taiwan 606
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AUD 0.7388
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PT15LH05503A2020S


Potentiometer: mounting; single turn, vertical; 50kO; 250mW; ±30%
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Amphenol 357
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AUD 0.5579
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