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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3266W-1-503


Trimmer Resistors - Through Hole 1/4" 50Kohms 10% SQ W/Standoff Sealed
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Bourns 249
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AUD 4.854
Multiples of: 1

PDB12-H4201-103BF


Potentiometers 10K LINEAR 12MM
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Bourns 248
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AUD 0.9638
Multiples of: 1

RV100F-30-8M2B-C10K-B301


Potentiometers Audio 10mm 10K ohm 30mm Shaft
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Alpha Taiwan 248
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AUD 1.1698
Multiples of: 1

CT-94EY203


Trimmer Resistors - Through Hole 20 KW 9mm sq. multi turn top adjust
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Nidec Copal 248
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AUD 1.606
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PC16SH10IP06255A2020TA


Potentiometers Panel mount potentiometer 2,5M Ohm Resistance 20% Tolerance 0,2W 16mm Plastic shaft Linear Horizontal PCB Pin Bulk
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Amphenol 248
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AUD 2.1115
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89WR200LF


Trimmer Resistors - Through Hole 3/4" Rect 200 10% 20-turn
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TT Electronics 248
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AUD 2.8373
Multiples of: 10

91A1A-B28-A10L


1k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W PC Pins
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Bourns 248
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AUD 7.0365
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93A1A-B28-A22L


Potentiometers 250K 10% 5/8" SQ ST
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Bourns 248
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AUD 7.5952
Multiples of: 1

W206A-2-105(1M)


±20% 250mW 1MΩ Plugin Variable Resistors/Potentiometers ROHS
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Guosheng 247
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AUD 0.1099
Multiples of: 5

PT15LV02102A2020S


Potentiometer: mounting; single turn, horizontal; 1kO; 150mW; ±30%
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Amphenol 247
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AUD 0.5156
Multiples of: 1

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