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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3352T-1-104


Trimmer Resistors - Through Hole 3/8"RND 100KOHMS 20% 0.5WATTS
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Bourns 402
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AUD 2.8852
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G32AT-B202


Potentiometer: mounting; single turn; 2kΩ; 125mW; SMD; ±20%; linear
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Tocos 401
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AUD 0.5444
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RV170SF-10-15R1-A10K


Potentiometers Audio W/SW 10K
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Alpha Taiwan 401
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AUD 1.3619
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PDB241-E420K-104B0


Potentiometers 100K 24MM 20%
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Bourns 401
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AUD 2.2349
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270X232A102B1B1


CTS Electronic Components Potentiometers 1Kohms 20% Linear SPST Rotary
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CTS 401
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AUD 6.3206
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PTL30-10O1-203B2


Slide Potentiometers 20Kohms Travel=30mm Center Detent
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Bourns 400
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AUD 0.3742
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PTV09A-4225U-B104


Potentiometers PANEL CONTROL - 9MM-ST-CA 100 kohms 25 mm
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Bourns 400
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AUD 0.7665
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ST-32ETA202


2 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal 400
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AUD 1.2595
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RV24AF-10-40R1-B1MEG


Potentiometers Linear 1MEG
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Alpha Taiwan 400
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AUD 1.7286
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66WR20KLF


Trimmer Resistors - Through Hole 9.53MM 3/8" 25-TURN SEALED
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TT Electronics 400
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AUD 2.9857
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