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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P0925N-FC20AR100K


BI Technologies TT Electronics Potentiometers 140W 100K Ohms 20% 9mm ROTARY POT
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TT Electronics 653
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AUD 3.9808
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PT10LH01202A2020S


Potentiometer: mounting; vertical; 2kΩ; 150mW; ±20%; linear; carbon
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Amphenol 652
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AUD 0.3912
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PTV111-2415A-B103


Potentiometers 10K LINEAR 20%
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Bourns 652
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AUD 1.2724
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PV36W104C01B00


Trimmer Resistors - Through Hole 100Kohms 10mm Square 25turn
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Bourns 652
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AUD 1.5056
Multiples of: 100

PTA3044-2010DPB253


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 651
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AUD 1.6657
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3314G-2-504E


Trimmer Resistors - SMD 4mm SQ 500K
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Bourns 650
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AUD 1.1372
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PTV111-4220A-B103


Potentiometers 10K LINEAR 20%
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Bourns 644
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AUD 1.1124
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RV16AF-20-15K-A10K-3


Potentiometers Audio Knurled 10K PC Mount
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Alpha Taiwan 636
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AUD 1.2239
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TSM4YJ103KR05


Trimmer Resistors - SMD 10Kohms 10%
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Vishay 343
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AUD 7.8149
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3296Y-1-473LF


Res Cermet Trimmer 47K Ohm 10% 0.5W(1/2W) 25(Elec)Turn 2.19mm (9.53 X 4.83 X 11.55mm) Pin Thru-Hole Tube
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Bourns 338
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AUD 1.2991
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