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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RS301111A01G


Slide Potentiometers 10 KOhms 20% THT W/ SNAP-IN MNT
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ALPS 245
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AUD 1.3516
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91R1A-R22-A13L


Potentiometers 5K 10% 58" SQ ST
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Bourns 190
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AUD 7.0925
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T93YB200KT20


Trimmer Resistors - Through Hole 3/8" SQ V/ADJ 20
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Vishay 189
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AUD 1.4464
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SM-42TX202


2 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 189
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AUD 3.0857
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3223W-1-205E


2 MOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Bourns 189
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AUD 3.1851
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3329P-1-503


Trimmer Resistors - Through Hole 1/4"RND 50KOHMS 10% 0.5WATTS
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Bourns 189
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AUD 3.4806
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3266Y-1-503RLF


Trimmer Resistors - Through Hole 14" 50Kohms 10% SQ WStandoff Sealed
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Bourns 189
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AUD 3.5413
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53CAD-E16-D15L


10k Ohm 1 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W Solder Lug
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Bourns 188
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AUD 11.0164
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PT15LH05101A2020S


Potentiometer: mounting; single turn,vertical; 100O; 150mW; ±30%
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Amphenol 170
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AUD 0.7526
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PTA6043-2010CIB103


Slide Potentiometers 60MM TRVL 10K
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Bourns 164
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AUD 1.7075
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