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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PTV111-3420A-B103


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 1137
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AUD 1.2281
Multiples of: 1

T7YA472MB40


Vishay Sfernice Trimmer Resistors - Through Hole
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Vishay 200
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AUD 3.497
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H-117P


Bourns Potentiometer Tools & Hardware Trimmer Panel Mount Hardware Kit
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Bourns 200
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AUD 8.8657
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PTV111-3420A-B503


Potentiometers 50K LINEAR 20%
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Bourns 199
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AUD 1.1788
Multiples of: 1

RA3043F-20-10EB1-B13


Slide Potentiometers 30mm Linear 1K PC Mount
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Alpha Taiwan 199
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AUD 1.3627
Multiples of: 1

3314J-2-100E


Bourns Trimmer Resistors - SMD 4mm SQ 10ohm
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Bourns 196
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AUD 1.21
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3266X-1-254LF


Trimmer Resistors - Through Hole 1/4" 250Kohms 10% SQ W/Standoff Sealed
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Bourns 191
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AUD 2.7746
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P230-2EC35BR25K


Potentiometers 12W 25K Ohms 20% 24mm ROTARY POT
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TT Electronics 191
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AUD 3.9239
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P160KNP-0FD20A100K


Potentiometers 1/10W 100K Ohms 20% 16mm ROTARY POT
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TT Electronics 189
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AUD 1.5975
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CA9H 47K


Potentiometer: mounting; single turn, vertical; 47kO; 0.15W; ±20%
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ACP 186
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AUD 0.2278
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