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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72XR100KLF


Trimmer Resistors - Through Hole 3/8" Squ 100K 10%
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TT Electronics 254
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AUD 1.9119
Multiples of: 1

3329H-1-254LF


Trimmer Resistors - Through Hole 1/4"RND 250K 10% 0.5WATTS
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Bourns 254
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AUD 2.0952
Multiples of: 1

SM-42TW103


10 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 254
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AUD 3.3917
Multiples of: 1

3299W-1-200


Trimmer Resistors - Through Hole 20ohms Standoffs Vertical Adjust 3/8"
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Bourns 254
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AUD 3.4325
Multiples of: 10

RV24BF-10-15R1-A1M


Potentiometers DUAL Audio 1M
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Alpha Taiwan 254
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AUD 3.5
Multiples of: 1

3269W-1-100GLF


Trimmer Resistors - SMD 14IN 10 OHMS 10% Vertical Adjust
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Bourns 254
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AUD 4.3462
Multiples of: 1

T93YB105KT20


1 MOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 21.0 Turn Top Adjustment
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Vishay 253
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AUD 1.9556
Multiples of: 1

3352H-1-253LF


Trimmer Resistors - Through Hole 3/8"round 25Kohms 0.5watt 20%
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Bourns 253
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AUD 3.1762
Multiples of: 1

GF063P1-B501


Precision Potentiometer 500Ohms ±20% ±100ppm/℃ GF063P1 RoHS
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Tokyo Cosmos 252
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AUD 0.3026
Multiples of: 5

PTA6043-2015DPB254


Slide Potentiometers 250K LINEAR
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Bourns 252
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AUD 1.7635
Multiples of: 1

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