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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T93YB500KT20


50 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 23.0 Turn Top Adjustment
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Vishay 253
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AUD 1.6582
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3352H-1-253LF


Trimmer Resistors - Through Hole 3/8"round 25Kohms 0.5watt 20%
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Bourns 253
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AUD 3.153
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PT6KV254A2020


Potentiometer: mounting; single turn, horizontal; 250kO; 100mW
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Amphenol 252
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AUD 0.351
Multiples of: 1

N6L50T0S-503A3030R-E


leadfree reflow soldering
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Amphenol 252
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AUD 0.717
Multiples of: 500

RV24AF-40-15R1-B500K-3


Potentiometers Linear 500K Vert Angle PC Mount
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Alpha Taiwan 247
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AUD 1.2313
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3224W-1-202E


SMD-3P,5x4.8mm Potentiometers, Variable Resistors ROHS
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Guosheng 242
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AUD 1.1707
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3386F-1-502TLF


Trimmer Resistors - Through Hole 3/8" 5Kohms 10% 0.5Watts Square
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Bourns 223
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AUD 1.9209
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R16148-1B-2-A5K


Potentiometer: shaft; single turn; 5kO; 63mW; ±20%; THT; 6mm; metal
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SR Passives 183
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AUD 0.5746
Multiples of: 1

RM065-204(200K)


25% 100mW 200k Plugin Potentiometers, Variable Resistors ROHS
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Guosheng 174
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AUD 0.0631
Multiples of: 10

R09542N0-FB12.5A7.0-A103-005


Plugin Variable Resistors/Potentiometers ROHS
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AUD 0.7834
Multiples of: 1

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