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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PDA241-SRT00-254B0


Bourns Potentiometers 250Kohms 18 teeth Knurled Shaft STD
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Bourns 114
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AUD 2.9508
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3299X-1-202


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 114
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AUD 3.4803
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3009Y-1-103


Trimmer Resistors - Through Hole 10Kohms 10% 3/4inch rectangular
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Bourns 114
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AUD 4.127
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PTL45-15R0-202B2


Bourns Slide Potentiometers 2Kohms Travel=45mm
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Bourns 114
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AUD 4.28
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M63S103KB40


Trimmer Resistors - Through Hole 3/8"SQ 10Kohms 10% Single Turn Cermet
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Vishay 114
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AUD 5.2115
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RK097122TZ0A


ALPS Potentiometers 50 KOhms 20%
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ALPS 114
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AUD 5.4765
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RS60N11S4006


ALPS Slide Potentiometers Single Unit, 60mm Vertical Type
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ALPS 114
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AUD 6.4254
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M63P503KB30T607


Trimmer Resistors - Through Hole 3/8"SQ 50Kohms 10% Single Turn Cermet
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Vishay 114
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AUD 8.0385
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Y00531K00000J0L


Vishay Precision Group Foil Resistors Trimmer Resistors - Through Hole 1Kohms 14w 5% 6.35mm sq seal
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Vishay 114
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AUD 85.7639
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Hot RK1631210AX9


Potentiometers Knurled 15mm 10k
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ALPS 17
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AUD 2.9766
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