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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51AAA-B28-A15L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 1W PC Pins
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Bourns 345
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AUD 10.1955
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3314H-1-105


Bourns Trimmer Resistors - SMD 4mm SQ 1M
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Bourns 199
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AUD 1.7731
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3296P-1-104


Trimmer Resistors - Through Hole 3/8" 100Kohms Sealed Horizontal Adjust
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Bourns 199
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AUD 3.1579
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89XR10KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 19MM 34" 10K OHM
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TT Electronics 198
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AUD 2.2164
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3009P-1-105LF


Trimmer Resistors - Through Hole 1Mohms 10% 3/4inch rectangular
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Bourns 198
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AUD 2.2985
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93R1A-R22-A17L


25k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W PC Pins
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Bourns 189
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AUD 7.2075
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T18504KT10


Trimmer Resistors - Through Hole 3/4" H/ADJ 500K
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Vishay 178
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AUD 2.1672
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SM-42TW102


1 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 126
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AUD 2.7418
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3314Z-GA4-501E


Trimmer Resistors - SMD 4mm SQ 500ohm
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Bourns 5
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AUD 2.003
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3362U-1-101LF


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 0
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AUD 1.0081
Multiples of: 1

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