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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3314H-1-103


10 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 226
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AUD 1.5906
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T93XA100KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 10
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Vishay 226
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AUD 1.7275
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3310Y-001-504L


500k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 226
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AUD 2.7238
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PTE45-152E-503B2


Slide Potentiometers PANEL CONTROL SLIDE CARBON
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Bourns 226
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AUD 14.28
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RV16AF-10-15S1-C50K-LA


Potentiometers Rev Audio 50K Screwdvr Solder Lug
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Alpha Taiwan 226
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AUD 1.1698
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3299Y-1-500LF


Trimmer Resistors - Through Hole 50ohms Standoffs Vertical Adjust 3/8"
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Bourns 226
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AUD 2.4444
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3299X-1-253LF


Trimmer Resistors - Through Hole 25Kohms Standoffs Horizontal Adjust
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Bourns 226
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AUD 2.4444
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1624154-2


Potentiometers 23E 1MB 6.35X50FL B7 CAT
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TE Connectivity 226
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AUD 2.7153
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3296W-1-204


Trimmer Resistors - Through Hole 3/8" 200Kohms Sealed Vertical Adjust
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Bourns 226
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AUD 3.1254
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3214W-2-202E


Trimmer Resistors - SMD 4MM SQ MT CERMET TRIMMER SMD
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Bourns 226
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AUD 3.3077
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