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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67WR20LF


Trimmer Resistors - Through Hole 3/8" Squ 20 10%
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TT Electronics 1067
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AUD 1.4236
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3314Z-1-103E


Trimmer Resistors - SMD 4mm SQ 10K
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Bourns 739
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AUD 1.595
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PTA6044-2015CPA104


Slide Potentiometers 60MM TRVL 10K
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Bourns 739
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AUD 1.9462
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443-90030


Potentiometer - 3 Pole.
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CTS 739
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AUD 8.4627
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RA6043F-20-10EB1-A5K


Slide Potentiometers 60mm TRVL Audio 5K PC Mount
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Alpha Taiwan 738
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AUD 1.5557
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RS45111ABA02


Slide Potentiometers 10 KOhms 20% THT W/ SNAP-IN MNT
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ALPS 738
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AUD 1.9211
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RV141F-40E3-18BL-B50K-004


Potentiometers Linear 18mm 50K PC MOUNT
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Alpha Taiwan 738
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AUD 2.2115
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R16148-1A-2-A5K


Potentiometer: shaft; single turn; 5kO; 63mW; ±20%; THT; 6mm; metal
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SR Passives 695
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AUD 0.2988
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1623831-6


Trimmer Resistors - Through Hole 470 500R
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TE Connectivity 368
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AUD 0.8188
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404806347006


Trimmer Resistors - Through Hole 500 Ohms 10% 250ppm .50 Watt
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TE Connectivity 368
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AUD 0.8075
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