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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RV24AF-40-15R1-B500K-3


Potentiometers Linear 500K Vert Angle PC Mount
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Alpha Taiwan 877
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AUD 1.3095
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RV170F-10-15R1-B50K


Potentiometers Linear 50K
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Alpha Taiwan 877
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AUD 1.6063
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3299W-1-202LF


Trimmer Resistors - Through Hole 2Kohms Standoffs Vertical Adjust 3/8"
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Bourns 877
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AUD 2.4444
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R16148-1A-2-A2K2


Potentiometer: shaft; single turn; 2.2kO; 63mW; ±20%; THT; 6mm
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SR Passives 876
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AUD 0.3178
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PT10MV10-105B2020-PM-S


Trimmer Resistors - Through Hole 10mm carbon through hole potentiometer Vertical adjust resistive value 1M Ohm Log taper tolerance 20%
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Amphenol 876
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AUD 0.4827
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RK12L1230C1M


ALPS Potentiometers 20 KOhms 20%
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ALPS 876
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AUD 1.1244
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67YR2MEGLF


Trimmer Resistors - Through Hole 3/8" Squ 2M 10%
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TT Electronics 876
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AUD 1.3846
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67WR1MEGLFTB


Trimmer Resistors - Through Hole 1/2W 1M Ohms 10% MULTI TURN
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TT Electronics 876
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AUD 1.4981
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G43AT-B203


Potentiometer: mounting; single turn; 20kΩ; 250mW; SMD; ±20%
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Tocos 875
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AUD 0.5933
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3386P-1-202LF


Trimmer Resistors - Through Hole 3/8" 2Kohms 10% 0.5Watts Square
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Bourns 875
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AUD 1.1663
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