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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RV122F-20-15F-B100K


Potentiometers Linear D-Shaft 100K
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Alpha Taiwan 375
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AUD 3.1429
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51AAD-B24-A25L


Potentiometers 1/2" 1M 10% Square Sealed
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Bourns 375
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AUD 9.3413
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3313S-1-504E


500 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 374
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AUD 1.5472
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1825289-6


Switch Slide ON OFF ON DPDT Top Slide 20VAC 20VDC 0.4VA PC Pins Bracket Mount/Through Hole Tray
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TE Connectivity 374
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AUD 5.1389
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RK14K1220F25C0C104


ALPS Potentiometers
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ALPS 373
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AUD 1.554
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3386P-1-503TLF


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 373
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AUD 1.8683
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ST-32ETG104


Trimmer Resistors - SMD 100 KW 3mm SMD single turn J-lead, side adj.
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Nidec Copal 373
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AUD 2.0952
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PDB182-K220K-503A


Potentiometers 50K DUAL
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Bourns 373
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AUD 2.3222
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T18105KT10


Trimmer Resistors - Through Hole 3/4" H/ADJ 1M
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Vishay 373
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AUD 2.2873
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363P50K


Trimmer Resistors - Through Hole 50 kOhm, 0.5W,1Turns SQ Body, Trimmer
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Honeywell 373
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AUD 2.4206
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