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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PTV09A-4020F-B104


100k Ohm 1 Gang Linear Through Hole, Snap In Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 1149
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AUD 0.9703
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PCW1J-B24-BAB504L


Potentiometers 500K 20% Sq 22mm Single Turn
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Bourns 198
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AUD 4.6299
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PDF241-S425F-103B0


Potentiometers 10Kohms .5W LINEAR FLAT SHAFT
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Bourns 198
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AUD 11.0075
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3386Y-1-105LF


Bourns Trimmer Resistors - Through Hole 38" 1Mohms 10% 0.5Watts Square
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Bourns 197
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AUD 1.4001
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PV37X201C01B00


TRIMMER-1/4in SQ MT CERMET
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Bourns 197
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AUD 1.7623
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3299W-1-202


2 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Bourns 196
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AUD 3.4313
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3269W-1-500LF


50 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 190
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AUD 3.4478
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3224X-1-501E


500 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Top Adjustment
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Bourns 52
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AUD 3.1851
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66XR5KLF


Trimmer Resistors - Through Hole 5K ohm 10% 3/8" Squ
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TT Electronics 0
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AUD 1.75
Multiples of: 50

PTD902-1215K-B503


Potentiometers 50K LINEAR
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Bourns 0
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AUD 2.0522
Multiples of: 1

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