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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Hot 3296X-1-500LF


Trimmer Resistors - Through Hole 3/8IN 50 OHMS Sealed Horizontal Adjust
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Bourns 688
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AUD 1.7635
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PT10MV10-251A2020


Trimmer Resistors - Through Hole 250ohms 10mm Rnd Top adj
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Amphenol 192
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AUD 0.6154
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3386R-1-203LF


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 192
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AUD 1.4135
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89PR200LFTB


Trimmer Resistors - Through Hole 3/4" Rect 200 10% 20-turn
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TT Electronics 192
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AUD 1.593
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T93XA504KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 500K
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Vishay 192
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AUD 1.6121
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3314S-1-501E


Trimmer Resistors - SMD 4mm SQ 500ohm
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AUD 1.6611
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M64W200KB40


Trimmer Resistors - Through Hole 3/8"SQ 20ohms Multi Turn Cermet
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Vishay 192
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AUD 2.2115
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3386K-1-102LF


Trimmer Resistors - Through Hole 38" 1Kohms 10% 0.5Watts Square
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Bourns 192
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AUD 2.48
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3386P-1-204T


Trimmer Resistors - Through Hole 38"SQ 200KOHMS 10% 0.5WATTS
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Bourns 192
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AUD 2.4968
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3299P-1-202LF


Trimmer Resistors - Through Hole 2Kohms Standoffs Horizontal Adjust
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Bourns 192
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AUD 2.6016
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