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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3312J-1-105E


Trimmer Resistors - SMD 1Mohm 2mm Single Turn Sealed
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Bourns 594
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AUD 2.0761
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TS63Y501KT20


Vishay Sfernice Trimmer Resistors - SMD 14" SQ 500
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Vishay 594
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AUD 3.7761
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67XR500KLF


Trimmer Resistors - Through Hole 3/8" Squ 500K 10%
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TT Electronics 593
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AUD 1.3923
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270X232A103B1B1


CTS Electronic Components Potentiometers 10Kohms 20% Linear SPST Rotary
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CTS 593
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AUD 5.9086
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3224J-1-205E


2 MOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 592
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AUD 3.1851
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SMUA502PET


Trimmer Resistors - SMD 0.125W 50 ohm 20% Single-Turn Trimmer
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Ohmite 591
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AUD 1.5615
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PTL45-15O0-103B2


Slide Potentiometers 10Kohm 20% 8.2mm PC Terminal
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Bourns 561
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AUD 1.8901
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SM-43TW102


1 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Nidec Copal 531
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AUD 2.5507
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64WR100LF


Trimmer Resistors - Through Hole 1/4" Squ 100 10%
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TT Electronics 458
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AUD 1.9271
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T67W-500R


Potentiometer: mounting; multiturn; 500O; 250mW; ±10%; linear
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SR Passives 435
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AUD 0.5328
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