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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RA2043F-20-10EB1-B50K


Slide Potentiometers 20mm TRVL LINEAR 50K PC Mount
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Alpha Taiwan 189
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AUD 1.3095
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3386K-1-103LF


Trimmer Resistors - Through Hole 38" 10Kohms 10% 0.5Watts Square
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Bourns 189
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AUD 1.3392
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T93YB200KT20


Trimmer Resistors - Through Hole 3/8" SQ V/ADJ 20
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Vishay 189
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AUD 1.5243
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84WR10KTR


Trimmer Resistors - SMD TRIMMER-ASSY
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TT Electronics 189
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AUD 1.6667
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3314H-1-203


20 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 189
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AUD 1.9905
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RV141F-40-20BL-B50K


Potentiometers 20mm LINEAR 50K PC Mount
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Alpha Taiwan 189
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AUD 2.0429
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M64Y504KB40


Trimmer Resistors - Through Hole 3/8"SQ 500Kohms Multi Turn Cermet
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Vishay 189
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AUD 2.741
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84WR100KLFTR


Trimmer Resistors - SMD 14W 100K Ohms 10% MULTI TURN
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TT Electronics 189
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AUD 2.8286
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3266Z-1-103LF


Trimmer Resistors - Through Hole 1/4" 10Kohms 10% SQ W/Standoff Sealed
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Bourns 189
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AUD 2.9508
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3362R-1-202LF


Trimmer Resistors - Through Hole 1/4"SQ 2KOHMS 10% 0.5WATTS
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Bourns 179
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AUD 0.9813
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