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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3362X-1-253LF


25 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 74
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AUD 0.99
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3224J-1-102E


SMD-3P,4.8x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 74
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AUD 1.4729
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PDB182-K420P-204A2


Bourns Potentiometers PANEL CONTROL 17MM-ST-CARBON
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Bourns 74
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AUD 1.7567
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3386X-1-504


Trimmer Resistors - Through Hole 3/8"SQ 500KOHMS 10% 0.5WATTS
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Bourns 74
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AUD 1.8071
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3266Z-1-202LF


Bourns Trimmer Resistors - Through Hole 14" 2Kohms 10% SQ WStandoff Sealed
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Bourns 74
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AUD 2.7746
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PTR901-2015K-B502


Bourns Potentiometers 5K LINEAR
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Bourns 74
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AUD 3.2015
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CDE91N-60-B100K


Potentiometer: slide; 100kO; 250mW; THT; ±20%; linear; Mat: metal
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SR Passives 74
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AUD 3.5522
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TSM4ZJ203KR10


Trimmer Resistors - SMD 4mm SQ 203
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Vishay 74
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AUD 7.191
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026TB32R101B1B1


100 Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Wirewound 5W Solder Lug
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CTS 74
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AUD 8.3436
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RV16AF-10-15K-A50K-3


Potentiometers Audio Knurled 50K Solder Lugs
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Alpha Taiwan 73
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AUD 1.1
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