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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3266Y-1-102LF


1 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 439
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AUD 2.906
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3386T-1-101LF


Trimmer Resistors - Through Hole 38IN 100 OHMS 10% 0.5Watts Square
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Bourns 196
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AUD 1.2571
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3386K-1-203LF


Trimmer Resistors - Through Hole 38" 20Kohms 10% 0.5Watts Square
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Bourns 196
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AUD 1.4135
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3006Y-1-204LF


200 kOhms 0.75W, 3/4W PC Pins Through Hole Trimmer Potentiometer Cermet 15.0 Turn Side Adjustment
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Bourns 196
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AUD 1.9045
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3269P-1-201GLF


Res Cermet Trimmer 200 Ohm 10% 0.25W(1/4W) 12(Elec)Turns 1.78mm (6.35 X 8.39 X 5.21mm) Gull Wing SMD T/R
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Bourns 196
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AUD 3.8516
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91A1A-B24-B20L


100k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 1W PC Pins
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Bourns 196
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AUD 4.29
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PDB241-S220F-502BO


Potentiometers PANEL CONTROL 24MM-ST-CARBON
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Bourns 190
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AUD 1.806
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CA9H 250K


Potentiometer: mounting; single turn, vertical; 250kO; 0.15W; ±20%
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ACP 172
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AUD 0.2299
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PTD902-2015K-A503


50k Ohm 2 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros Carbon 0.025W, 1/40W PC Pins, Board Locks
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Bourns 165
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AUD 2.0522
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3339H-1-203LF


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 4.0 Turn Top Adjustment
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Bourns 85
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AUD 4.1866
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