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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51CAD-E24-B13L


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.5W, 1/2W PC Pins
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Bourns 244
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AUD 8.7476
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51AAA-B24-B13L


Potentiometers 1/2" 5K 20% Linear C-P
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Bourns 244
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AUD 10.2492
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3104606793


Potentiometer: shaft; single turn; 2.5kO; 4W; ±10%; 6mm; wirewound
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TT Electronics 244
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AUD 13.7333
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83A1A-B28-J15L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 1W PC Pins
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Bourns 244
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AUD 71.5
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RV16AF-10-15S1-A25K


Potentiometers Audio Screwdrivr 25K Solder Lugs
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Alpha Taiwan 243
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AUD 1.1698
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67ZR50KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 12W 50K Ohms 10% MULTI TURN
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TT Electronics 243
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AUD 1.4667
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CT94EY503


Trimmer Resistors - Through Hole 50 KW 9mm sq. multi turn top adjust
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Nidec Copal 243
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AUD 1.5345
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RV170F-10-15R1-B100K


Potentiometers Linear 100K
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Alpha Taiwan 243
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AUD 1.6063
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3362F-1-105LF


Trimmer Resistors - Through Hole 1/4" SQ TRIMPOT 1M ST CERMET
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Bourns 243
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AUD 1.623
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PTA4543-2015CPA503


Slide Potentiometers PANEL CONTROL - SLIDE CARBON
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Bourns 243
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AUD 1.636
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