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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3386G-1-221LF


Bourns Trimmer Resistors - Through Hole 38IN 220 OHMS 10% 0.5Watts Square
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Bourns 1720
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AUD 1.298
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T73XW502KT20


Trimmer Resistors - Through Hole 14"SQ HADJ 5K
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Vishay 1719
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AUD 1.2365
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PT15NV18-101A2020


Trimmer Resistors - Through Hole 100ohms 15mm Rnd
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Amphenol 1716
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AUD 0.7635
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PT15LV18-502A2020-S


Trimmer Resistors - Through Hole 5Kohms 15mm Rnd Steel Leads
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Amphenol 1715
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AUD 0.6538
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PT15NH06-254A2020


Trimmer Resistors - Through Hole 250Kohms 15mm Rnd
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Amphenol 1713
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AUD 0.7635
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PS30-20PB1BR10K


Slide Potentiometers 10K ohm 20% 30mm Slide Potentiometer
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TT Electronics 1711
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AUD 2.2692
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68WR500


Res Cermet Trimmer 500 Ohm 10% 0.5W(1/2W) 20(Elec)Turn 2.29mm (9.53 X 6.22 X 11.05mm) Pin Thru-Hole Box
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TT Electronics 1711
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AUD 2.7375
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T93YA203KT20


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 1709
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AUD 1.7914
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RK12L1230C0K


Potentiometers 50 KOhms 20%
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ALPS 1705
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AUD 0.847
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CA14NV12,5-100KA2020


Potentiometer: mounting; single turn, horizontal; 100kO; 250mW
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ACP 1704
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AUD 0.298
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