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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RJR24FW502R


Trimmer Resistors - Through Hole 3/8" SEALED 5K
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Bourns 191
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AUD 10.0313
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3386H-1-200LF


Trimmer Resistors - Through Hole 3/8" 20ohms 10% 0.5Watts Square
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Bourns 190
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AUD 1.5212
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RV120DF-20-15A-A5K


Potentiometers Audio D-Shaft 5K PC Mount
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Alpha Taiwan 190
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AUD 1.5962
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3329P-1-104


Trimmer Resistors - Through Hole 1/4"RND 100KOHMS 10% 0.5WATTS
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Bourns 190
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AUD 3.4806
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3360P-1-203LF


20k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 190
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AUD 3.4667
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3266W-1-104


Trimmer Resistors - Through Hole 1/4" 100Kohms 10% SQ W/Standoff Sealed
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Bourns 190
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AUD 4.2687
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M64W254KB40


Trimmer Resistors - Through Hole 3/8"SQ 250Kohms Multi Turn Cermet
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Vishay 190
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AUD 4.7692
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M63X501KB40


Trimmer Resistors - Through Hole 3/8"SQ 500ohms 10% Single Turn Cermet
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Vishay 190
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AUD 5.2115
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3386F-1-202TLF


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 187
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AUD 1.7403
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PTD904-2020K-B103


10k Ohm 4 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 165
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AUD 2.7746
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