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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Hot 3224J-1-203E


20 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 1155
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AUD 1.4078
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3314J-2-105E


Bourns Trimmer Resistors - SMD 4mm SQ 1M
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Bourns 1000
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AUD 1.1418
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PT15LH06-204A2020


Trimmer Resistors - Through Hole 200Kohms 15mm Rnd
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Amphenol 999
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AUD 0.7635
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PVG3G500C01R00


Trimmer Resistors - SMD 50 Ohm 20% 1/4W
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Murata 999
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AUD 1.1
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67XR10KLF


Trimmer Resistors - Through Hole 3/8" Squ 10K 10%
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TT Electronics 999
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AUD 1.2729
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3296Z-1-103LF


Trimmer Resistors - Through Hole 3/8" 10Kohms Sealed Horizontal Adjust
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Bourns 999
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AUD 1.7344
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PT6KH-502A2020-PM


Trimmer Resistors - Through Hole 6mm carbon through hole potentiometer, Horizontal adjust, 5K Ohm resistive value, linear taper, tolerance 20%, screwdriver adjust
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Amphenol 998
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AUD 0.5115
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3266W-1-205LF


Bourns Trimmer Resistors - Through Hole 14" 2Mohms 10% SQ WStandoff Sealed
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Bourns 946
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AUD 2.8309
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T910W-25K


Potentiometer: mounting; multiturn; 25kO; 500mW; THT; ±10%; linear
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SR Passives 942
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AUD 0.2248
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Hot RK097111080R


ALPS Potentiometers 10 KOhms 30%
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ALPS 828
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AUD 1.599
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