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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3269X-1-502LF


Trimmer Resistors - SMD 1/4" 5Kohms 10% Horizontal Adjust
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Bourns 76
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AUD 3.4642
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3339H-1-504LF


500 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Top Adjustment
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Bourns 76
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AUD 3.9403
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51AAD-B28-A15L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 1W PC Pins
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Bourns 76
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AUD 8.8164
Multiples of: 1

3292W-1-101LF


Trimmer Resistors - Through Hole 3/8IN 100 OHM Sealed 10% Vertical Mount
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Bourns 76
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AUD 11.5746
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3852A-202-103AL


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W Solder Lug
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Bourns 76
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AUD 11.6239
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3104601738


Potentiometer: shaft; single turn; 10O; 4W; ±20%; 6mm; wirewound
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TT Electronics 76
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AUD 13.5403
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282T33L502A25A2


POT 5K OHM 1/4W PLASTIC LINEAR
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CTS 76
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AUD 17.8265
Multiples of: 1

GA2L040S503UC


Honeywell
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Honeywell 76
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AUD 33.9095
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535-11501


Precision Potentiometers 7/8" WW 500ohms 5 Turns
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Vishay 76
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AUD 43.7045
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3386F-1-204TLF


200 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Finger Adjustment
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Bourns 75
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AUD 1.7403
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