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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G43BT-B103


Potentiometer: mounting; single turn; 10kΩ; 250mW; SMD; ±20%
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Tocos 4709
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AUD 0.4107
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3266X-1-202


Trimmer Resistors - Through Hole 1/4" 2Kohms 10% SQ W/Standoff Sealed
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Bourns 2134
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AUD 4.6507
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P120K-F25BR100K


Potentiometers 1/20W 100K Ohms 20% 12mm ROTARY POT
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TT Electronics 2129
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AUD 1.125
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PV32H105A01B00


Trimmer Resistors - Through Hole 1M ohm
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Bourns 2128
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AUD 2.2308
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3314J-1-501G


Trimmer Resistors - SMD 4mm SQ 500ohm
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Bourns 2124
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AUD 1.3052
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PT15GH06-105A2020S


Trimmer Resistors - Through Hole
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Amphenol 2123
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AUD 0.6538
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PV32H104A01B00


Trimmer Resistors - Through Hole 100k ohm
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Bourns 2120
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AUD 1.9014
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PV36W100C01B00


10 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Murata 2096
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AUD 1.3341
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3266X-1-103LF


Trimmer Resistors - Through Hole 1/4" 10Kohms 10% SQ W/Standoff Sealed
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Bourns 2001
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AUD 1.8904
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3296Y-1-472LF


Trimmer Resistors - Through Hole 3/8" 4.7Kohms Sealed Vertical Adjust
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Bourns 277
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AUD 1.4904
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