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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3386X-1-501TLF


Trimmer Resistors - Through Hole 38IN 500 OHMS 10% 0.5Watts Square
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Bourns 80
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AUD 2.3269
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T63XB221KT20


Trimmer Resistors - Through Hole T63 XB 220U 10% TU e3
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Vishay 80
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AUD 3.8582
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RS60N11S4006


ALPS Slide Potentiometers Single Unit, 60mm Vertical Type
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ALPS 80
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AUD 6.3866
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POT2218P-2K


Potentiometer: shaft; multiturn; 2kO; 2W; ±5%; 6.35mm; linear
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SR Passives 80
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AUD 8.6925
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CRV16-00-502


Potentiometers 220 degree electrical angle, .25 W, 5 kOhm resistance, sensing single turn conductive plastic, 1% linearity, 16.2mm diameter, solder lug terminals
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Nidec Copal 80
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AUD 11.481
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3310H-003-105L


Potentiometers 9mm 1Mohms Dual Cup W/switch
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Bourns 80
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AUD 13.1923
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3590S-1-501L


500 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 80
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AUD 15.8104
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MW22B-10-2K


Precision Potentiometers 2W 2Kohms 5%
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ETI Systems 80
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AUD 41.6194
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JA1N056S251UA


Potentiometers 250 Ohm 10% 2.25W 6.35mm
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Honeywell 80
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AUD 138.8433
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3310Y-101-502L


Potentiometers 9mm 5Kohms Flatted Single Cup
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Bourns 75
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AUD 3.3164
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