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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T93YB104KT20


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 516
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AUD 2.2776
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3386T-1-503LF


Trimmer Resistors - Through Hole 38" 50Kohms 10% 0.5Watts Square
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Bourns 239
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AUD 1.2705
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3386H-1-103T


Trimmer Resistors - Through Hole 3/8"SQ 10KOHMS 10% 0.5WATTS
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Bourns 239
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AUD 2.7254
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T63XB204KT20


Trimmer Resistors - Through Hole 1/4"SQ H/ADJ 200K
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Vishay 239
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AUD 6.5385
Multiples of: 1

PV12P103A01B00


Trimmer Resistors - Through Hole 10k ohm
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Bourns 236
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AUD 4.2194
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TS63Y102KR10


Trimmer Resistors - SMD 1K OHM 6.35MM SEALED
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Vishay 235
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AUD 4.2687
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PCW1D-C24-BAB103L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.75W, 3/4W PC Pins
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Bourns 234
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AUD 6.2552
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3852A-286-104AL


100k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 2W PC Pins
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Bourns 233
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AUD 11.6239
Multiples of: 1

93PR25KLF


25 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 231
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AUD 2.9388
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67YR500KLF


Trimmer Resistors - Through Hole 3/8" Squ 500K 10%
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TT Electronics 225
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AUD 1.3019
Multiples of: 1

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