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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3214G-1-100E


10 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Side Adjustment
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Bourns 242
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AUD 2.4794
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3299Z-1-503


Trimmer Resistors - Through Hole 50Kohms Standoffs Horizontal Adjust
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Bourns 193
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AUD 3.4325
Multiples of: 10

3223G-1-102E


1 kOhms 0.125W, 1/8W Gull Wing Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Bourns 193
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AUD 3.5968
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3329S-1-501LF


Bourns Trimmer Resistors - Through Hole 14" TRIMPOT 500uH RND ST CERMET
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Bourns 193
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AUD 3.7328
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SM-42X502


Trimmer Resistors - SMD 5 KW 5mm SMD 11 turn, Gull-wing, top-adjustment
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Nidec Copal 193
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AUD 3.8587
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3009P-1-203


Trimmer Resistors - Through Hole 20Kohms 10% 34inch rectangular
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Bourns 193
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AUD 3.946
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3386H-1-103T


Trimmer Resistors - Through Hole 3/8"SQ 10KOHMS 10% 0.5WATTS
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Bourns 193
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AUD 4.8269
Multiples of: 1

PCW1J-B24-KAB502L


5k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.75W, 3/4W PC Pins
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Bourns 193
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AUD 7.2111
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POT2218M-20K


Potentiometer: shaft; multiturn; 20kO; 2W; ±5%; 6.35mm; linear
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SR Passives 193
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AUD 10.1111
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N6-S25T0C-105


Piher Trimmer Resistors - Through Hole 1Mohms 6mm Side adj
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Amphenol 192
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AUD 0.3385
Multiples of: 1

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