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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3362W-1-501LF


Trimmer Resistors - Through Hole 1/4IN SQ 500 OHM 10% 0.5WATTS
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Bourns 291
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AUD 0.4973
Multiples of: 1

PT15-N-V-204(200K)


±20% 250mW 200kΩ - Variable Resistors/Potentiometers ROHS
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Guosheng 227
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AUD 0.2094
Multiples of: 5

66XR20KLF


Trimmer Resistors - Through Hole 20K ohm 10% 3/8" Squ
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TT Electronics 227
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AUD 2.8403
Multiples of: 1

66WR25KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 25K ohm 10% 38" Squ
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TT Electronics 227
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AUD 4.1231
Multiples of: 1

3386P-1-501TLF


Bourns Trimmer Resistors - Through Hole 38IN 500 OHMS 10% 0.5Watts Square
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Bourns 226
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AUD 1.691
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51AAA-B28-D18L


Potentiometers 1/2" 50K 20% CW Audio C-P
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Bourns 226
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AUD 10.294
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RV6NAYSD103A


POT 10K OHM 1/2W CARBON LINEAR
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Precision Electronics 195
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AUD 23.8797
Multiples of: 1

026TB32R5A0B1A1


5 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 5W Solder Lug
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CTS 190
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AUD 4.7448
Multiples of: 1

GF063P1-B101


Precision Potentiometer 100Ohms ±20% ±100ppm/℃ GF063P1 RoHS
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Tokyo Cosmos 150
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AUD 0.2807
Multiples of: 5

GF063P1-B502


Precision Potentiometer 5KOhms ±20% ±100ppm/℃ GF063P1 RoHS
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Tokyo Cosmos 145
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AUD 0.2901
Multiples of: 5

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