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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RV24AF-40-15R1-A25K-3LA


Potentiometers Audio 25K Ohm Vert Angle PC Mount
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Alpha Taiwan 777
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AUD 1.3095
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72PLR1MEGLF


Trimmer Resistors - Through Hole 1M ohm 10% Single Turn
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TT Electronics 777
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AUD 1.9201
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T18202KT10


Trimmer Resistors - Through Hole 3/4" H/ADJ 2K
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Vishay 777
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AUD 2.5667
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3361P-1-205GLF


Trimmer Resistors - SMD 1/4" SQ 2M 10% 0.5WATTS
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Bourns 776
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AUD 1.1481
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3296P-1-201LF


Trimmer Resistors - Through Hole 3/8" 200ohms Sealed Horizontal Adjust
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Bourns 776
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AUD 1.7373
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3214W-1-504G


Trimmer Resistors - SMD 4MM SQ 500KOHMS 10% 5TURN
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Bourns 776
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AUD 2.4381
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RA6020F-10-15F2-B10K


Slide Potentiometers 60mm TRVL Linear 10K
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Alpha Taiwan 776
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AUD 2.7587
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3352T-1-503LF


Trimmer Resistors - Through Hole 3/8"round 50Kohms 0.5watt 20%
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Bourns 776
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AUD 2.9563
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PDB183-GTR02-105A2


Potentiometers 1MOHMS PLAIN SOLDER LUGS
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Bourns 776
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AUD 5.6048
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PTV111-3420A-A103


Bourns Potentiometers PANEL CONTROL
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Bourns 776
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AUD 1.0675
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