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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PDA241-SRT02-503A2


Potentiometers 50Kohms .25W Audio SRT Plain Shaft
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Bourns 68
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AUD 3.2127
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66XR5KLF


Trimmer Resistors - Through Hole 5K ohm 10% 3/8" Squ
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TT Electronics 68
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AUD 3.3524
Multiples of: 1

3339W-1-501LF


500 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Side Adjustment
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Bourns 68
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AUD 6.6667
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3269W-1-501


Trimmer Resistors - SMD 1/4" 500ohms 10% Vertical Adjust
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Bourns 68
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AUD 6.9423
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392510K


Potentiometers 0.5 W Power, 10 kOhm Potentiometer
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Honeywell 68
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AUD 18.1944
Multiples of: 1

RV4NAYSD254A


ETI Systems Potentiometers 250K ohm 10% 28.45mm
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ETI Systems 68
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AUD 35.4619
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MW22B-10-10K


Precision Potentiometers 2W 10Kohms 5%
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ETI Systems 68
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AUD 44.7159
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3006P-1-104


Precision Potentiometer 100KOhms ±10% ±250ppm/℃ 3006P RoHS
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Guosheng 67
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AUD 0.207
Multiples of: 5

W3006P-1-203


20K TRIMPOT MULTI TURN TRIMMER RECT. SIDE ADJ
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Netech 67
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AUD 0.3409
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3590P-1-103L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 10 Kierros Wirewound 2W PC Pins
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Bourns 20
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AUD 17.5651
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