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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ST-4ETA502


5 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal 944
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AUD 1.1916
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251B000253B9N1


Potentiometers
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CTS 944
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AUD 1.3957
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RA6020F-10-20D1-B50K


Slide Potentiometers 60mm TRVL Linear 50K
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Alpha Taiwan 944
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AUD 2.427
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RK08H1110A04


ALPS Potentiometers 100 KOhms 30%
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ALPS 944
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AUD 2.9827
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RA2043F-20-10EB1-B1K


Slide Potentiometers 20mm TVL LINEAR 1K PC Mount
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Alpha Taiwan 943
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AUD 1.2327
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RV16AF-10-15RI-B100K-0C


Potentiometers Linear B100K
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Alpha Taiwan 943
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AUD 1.4492
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RV110F-20-20B-A10K


Potentiometers 11mm Audio 10K Knurled Shaft
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Alpha Taiwan 943
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AUD 1.6923
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3386H-1-103TLF


Trimmer Resistors - Through Hole 3/8" 10Kohms 10% 0.5Watts Square
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Bourns 943
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AUD 1.9167
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PTA6044-2015DPA103


Slide Potentiometers 15MM SHAFT NO DET 60MM STRK DUAL AUD
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Bourns 943
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AUD 2.4825
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T910Y-200K


Potentiometer: mounting; multiturn; 200kΩ; 500mW; 3296Y; -55÷125°C
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SR Passives 942
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AUD 0.2822
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