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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3290W-1-102


1 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Wirewound 25.0 Turn Top Adjustment
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Bourns 1
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AUD 42.2597
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H-385-3


Potentiometer Tools & Fixings PANEL
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Bourns 1
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AUD 58.7671
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JP-30B 5K


Potentiometers 300 degree electrical angle, 17.3mA @ 86.6V, 5 kOhm resistance, manual single turn cermet, 30mm diameter, wirewrap leads
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Nidec Copal 1
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AUD 59.3507
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3683S-1-102L


Precision Potentiometers 1K Ohms Digital +/- 3% tol 0.1% res
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Bourns 1
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AUD 70.8269
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JP-30 5K


Potentiometers 300 degree electrical angle, 17.3mA @ 86.6V, 5 kOhm resistance, sensing single turn cermet, 30mm diameter, wirewrap leads
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Nidec Copal 1
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AUD 73.7493
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RES15K


Rheostats 12.5watt 15K 305V Std Shaft
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Ohmite 1
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AUD 86.6209
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T4856A


Ceramic trimmer; 155mm; Bit: Phillips, slot
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CK Tools 1
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AUD 91.9957
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3SU1200-2PT10-1AA0


Potentiometer; 22mm; -25÷70°C; Ø22mm; IP67; 47kΩ; SIRIUS ACT
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Siemens 1
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AUD 92.983
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M22S-R47K


Potentiometer; 22mm; RMQ-Titan; -25÷70°C; Ø22.5mm; IP66; 47kO
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Eaton 1
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AUD 117.3587
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RJS4K5E


Rheostats 4.5K ohm 50W 750V
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Ohmite 1
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AUD 124.4149
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