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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RV112BF-40E1-25A-B100K-0068


Potentiometers 11mm Linear 100K Dual Unit-Vert PC MT
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Alpha Taiwan 191
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AUD 1.7286
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3314H-1-100


Trimmer Resistors - SMD 4MM SQ TRIMPOT 10uH ST CERMET SMD
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Bourns 191
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AUD 1.7321
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3224X-1-501E


SMD-3P,5x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 191
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AUD 1.8915
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3224G-1-102E


SMD-3P,4.8x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 191
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AUD 2.0566
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3386Y-1-102


Trimmer Resistors - Through Hole 3/8"SQ 1KOHMS 10% 0.5WATTS
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Bourns 191
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AUD 2.5292
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72XWR200KLF


Trimmer Resistors - Through Hole 200K ohm 10% Single Turn
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TT Electronics 191
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AUD 3.1967
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3329P-1-504


Trimmer Resistors - Through Hole 1/4"RND 500KOHMS 10% 0.5WATTS
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Bourns 191
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AUD 3.304
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SM-42TX503


50 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 191
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AUD 3.4466
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3352W-1-104


Trimmer Resistors - Through Hole 3/8"RND 100KOHMS 20% 0.5WATTS
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Bourns 181
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AUD 2.9333
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3214X-1-104E


Trimmer Resistors - SMD 4MM SQ 100K OHM
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Bourns 173
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AUD 2.0952
Multiples of: 1

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