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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PTA3043-2010CIB103


Slide Potentiometers 10mm Shaft 10K Ohms Sgl Gang Ins Lev Lin
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Bourns 1228
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AUD 1.4201
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PDB182-GTRB1-254MN


Potentiometers 250Kohm 20% 17mm Knurled Shaft/SL/CD
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Bourns 1228
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AUD 2.0477
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PT15NV02-103B1010-S


Trimmer Resistors - Through Hole
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Amphenol 1227
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AUD 0.7799
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3361P-1-500GLF


Trimmer Resistors - SMD 1/4" SQ 50ohm 10% 0.5WATTS
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Bourns 1226
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AUD 1.008
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PT10LH01-101A2020


Trimmer Resistors - Through Hole 100ohms 10mm Rnd Side adj
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Amphenol 1225
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AUD 0.575
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RK09D1130-F25-C0-A104


Potentiometers VERTICAL 100K NO DETENT
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ALPS 1224
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AUD 1.1471
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R16148-1A-1-A5K


Potentiometer: shaft; single turn; 5kO; 63mW; ±20%; on cable; 6mm
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SR Passives 1223
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AUD 0.3178
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72PMR100LF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 38" Squ 100 10%
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TT Electronics 1222
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AUD 1.9201
Multiples of: 100

PTV09A-4015U-A104


Potentiometers PANEL CONTROL - 9MM-ST-CA 100 kohms 15 mm
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Bourns 1221
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AUD 0.7543
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P160KNP-0FB15B10K


Potentiometers 1/5W 10K Ohms 20% 16mm ROTARY POT
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TT Electronics 1219
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AUD 1.2654
Multiples of: 1

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