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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SMUA104PET


Trimmer Resistors - SMD 0.125W 50 ohm 20% Single-Turn Trimmer
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Ohmite 257
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AUD 1.5615
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3386P-1-101


Trimmer Resistors - Through Hole 3/8"SQ 100OHMS 10% 0.5WATTS
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Bourns 257
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AUD 1.6746
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3362H-1-500LF


Trimmer Resistors - Through Hole 1/4"SQ 50OHMS 10% 0.5WATTS
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Bourns 257
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AUD 1.691
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3296Z-1-101


Trimmer Resistors - Through Hole 3/8" 100ohms Sealed Horizontal Adjust
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Bourns 257
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AUD 3.1687
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RV09AF-20-20K-B20K


Potentiometers 9mm Linear 20K
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Alpha Taiwan 256
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AUD 0.7388
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RK12L1210C0L


Potentiometers 12MM H/ADJ
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ALPS 256
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AUD 0.9358
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3386K-1-104LF


Trimmer Resistors - Through Hole 3/8" 100Kohms 10% 0.5Watts Square
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Bourns 256
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AUD 1.4135
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3362P-1-253TLF


25 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 256
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AUD 2.003
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23ESA474MMF50AF


Potentiometers 470 KOhm 0.4W Carbon
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TE Connectivity 255
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AUD 8.8328
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1801JSMD-50K


Potentiometer: mounting; horizontal, multiturn; 50kO; 250mW; SMD
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SR Passives 207
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AUD 2.4448
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