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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CA9MH2.5-5KA2020


Potentiometer: mounting; single turn, vertical; 5kO; 0.15W; ±20%
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ACP 1044
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AUD 0.213
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RV16A03F-10-15R1-B5K-0030


Potentiometers Linear W/SW 5K
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Alpha Taiwan 1044
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AUD 2.5769
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64PR20KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 20K ohm 10% 14" squ 12 turn
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TT Electronics 1043
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AUD 2.1057
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EVJ-Y10F03A24


20k Ohm 2 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros 0.05W, 1/20W PC Pins, Board Locks
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Panasonic 1042
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AUD 1.0712
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3269P-1-103GLF


Bourns Trimmer Resistors - SMD 14" 10Kohms 10% Horizontal Adjust
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Bourns 1041
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AUD 3.3
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PT10LV10-474A2020-PM-S


Trimmer Resistors - Through Hole
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Amphenol 1040
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AUD 0.3094
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3362M-1-501LF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 1035
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AUD 0.9932
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PTA4553-2010CIB103


Bourns Slide Potentiometers 10MM SHAFT NO DET 45MM STRK SNG LIN
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Bourns 1016
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AUD 1.4997
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90PR10KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 34W 10K Ohms 10% MULTI TURN
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TT Electronics 948
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AUD 1.925
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3296Y-1-205LF


Trimmer Resistors - Through Hole 3/8" 2Mohms Sealed Vertical Adjust
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Bourns 436
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AUD 1.6215
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