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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PTL20-15R0-503B4


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 513
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AUD 2.8269
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SM-3TW503


50 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 513
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AUD 3.1716
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RV16AF-10-15K-A1M-3LA


Potentiometers Audio Knurled 1M Solder Lugs
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Alpha Taiwan 512
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AUD 1.1698
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T93YB222KT20


Trimmer Resistors - Through Hole T93 YB 2K2 10% TU50 e3
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Vishay 512
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AUD 1.2108
Multiples of: 1

PTV112-3412A-A203


Potentiometers Dual Gang No Detent 12.5mm A Taper 203
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Bourns 511
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AUD 1.5749
Multiples of: 1

T64H-100K


Potentiometer: mounting; single turn; 100kO; 500mW; ±20%; cermet
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SR Passives 510
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AUD 0.4156
Multiples of: 1

3386F-1-501TLF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 510
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AUD 1.65
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EVU-E2AF25B53


5k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer None 1.0 Kierros 0.05W, 1/20W PC Pins, Board Locks
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Panasonic 509
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AUD 1.0142
Multiples of: 1

PDB12-H4301-105BF


Res Carbon Film POT 1M Ohm 20% 0.08W 1(Elec)/1(Mech)Turns 6mm (12.4 X 34.6mm) Pin Bracket Mount/Through Hole
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Bourns 508
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AUD 0.9463
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PT10MV11-105A2020-S


Trimmer Resistors - Through Hole
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Amphenol 361
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AUD 0.4689
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