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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140-0-0-502


Precision Potentiometers 1/2" WW 5Kohms Single Bushing Mt
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Vishay 32
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AUD 105.1075
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6574S-1-102


1k Ohm 1 Gang Linear Servo Mount Potentiometer None 1.0 Kierros Conductive Plastic 2W Solder Turret
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Bourns 32
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AUD 221.1381
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F78SB102


Precision Potentiometers 1W 1kOhm 3 18mm .125 in
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Honeywell 32
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AUD 642.0522
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3386P-DF6-102LF


Trimmer Resistors - Through Hole 3/8" SQ TRIM POT 1K ST SEALED CERMET
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Bourns 31
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AUD 2.25
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M64X101KB40


Trimmer Resistors - Through Hole 3/8"SQ 100ohms Multi Turn Cermet
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Vishay 31
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AUD 2.594
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PTL20-10G1-103B2


Slide Potentiometers 10Kohms Travel=20mm Center Detent
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Bourns 31
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AUD 2.8269
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3269X-1-202LF


2 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 31
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AUD 3.6776
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450T328F503A1A1


50k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.5W, 1/2W Solder Lug
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CTS 31
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AUD 3.7925
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PTC15NV02-473A2020


Trimmer Resistors - Through Hole
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Amphenol 28
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AUD 1.9015
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68XR100KLF


Trimmer Resistors - Through Hole 3/8" Squ 100K 10%
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TT Electronics 9
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AUD 1.604
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