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-SRT02-104B0


100k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.5W, 1/2W Solder Lug
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Bourns 192
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AUD 2.8286
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3296X-1-203


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 192
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AUD 3.1254
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3296X-1-105


Trimmer Resistors - Through Hole 3/8" 1Mohms Sealed Horizontal Adjust
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Bourns 192
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AUD 3.1944
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3299Y-1-202


Trimmer Resistors - Through Hole 2Kohms Standoffs Vertical Adjust 3/8"
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Bourns 192
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AUD 3.669
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ST5ETP503


Res Cermet Trimmer 50K Ohm 10% 1/4W 11(Elec)/14(Mech)Turn 1.6mm (6 X 8.75 X 4.3mm) Gull Wing SMD T/R
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Nidec Copal 192
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AUD 3.85
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PC16DH10IP06202A2020TA


Potentiometer: shaft; 2kΩ; 200mW; THT; 6mm; plastic; stereo; carbon
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Amphenol 192
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AUD 4.6444
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T7YA504KT20


Vishay Sfernice Trimmer Resistors - Through Hole 14" ROUND 504
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Vishay 192
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AUD 4.7131
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M63X105KB40


Trimmer Resistors - Through Hole 3/8"SQ 1Mohms 10% Single Turn Cermet
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Vishay 192
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AUD 4.941
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51SAD-U25-A10L


Bourns Potentiometers 12" PANL CONTRL 1K SQ Sealed 1Turn
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Bourns 192
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AUD 9.0794
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3386V-1-203LF


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 191
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AUD 1.3928
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