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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Hot 3224W-1-101E


100 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 1112
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AUD 1.4771
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PT6KV-501A2020


Trimmer Resistors - Through Hole 500ohms 6mm Rnd Top adj
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Amphenol 1105
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AUD 0.3578
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PTA3043-2210CIB103


10 kOhms 0.2W, 1/5W Through Hole Slide Potentiometer Top Adjustment Type
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Bourns 1105
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AUD 1.3869
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RS451121400A


ALPS Slide Potentiometers 10 KOhms 20% THT W SNAP-IN MNT
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ALPS 1105
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AUD 3.1429
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RK12L1270009


Potentiometers Dual Unit 30mm shaft Vertical W/ detent
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ALPS 1104
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AUD 1.2827
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TS3YJ201MR15


Vishay Sfernice Trimmer Resistors - SMD 3MM 200
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Vishay 1104
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AUD 1.9475
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3223W-1-503E


Trimmer Resistors - SMD 50K OHM 3mm 20%
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Bourns 1104
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AUD 3.4397
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ST-32ETA503


50 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal 1102
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AUD 1.3182
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3296Y-1-472LF


Trimmer Resistors - Through Hole 3/8" 4.7Kohms Sealed Vertical Adjust
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Bourns 1102
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AUD 1.781
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PTA3043-2015DPB504


Bourns Slide Potentiometers 15mm Shaft 500K Ohms Sgl Gang Met Lev Lin
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Bourns 1101
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AUD 1.437
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