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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P231-QC15AR10K


Potentiometers 24mm Rotary Panel Potentiometer
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TT Electronics 1336
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AUD 2.4038
Multiples of: 1

89PR200LF


Trimmer Resistors - Through Hole 3/4" Rect 200 10% 20-turn
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TT Electronics 1335
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AUD 1.3107
Multiples of: 100

3386Y-1-103LF


Bourns Trimmer Resistors - Through Hole 38" 10Kohms 10% 0.5Watts Square
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Bourns 1333
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AUD 1.3687
Multiples of: 1

72XR500KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 38" Squ 500K 10%
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TT Electronics 1333
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AUD 1.6995
Multiples of: 1

RK09K11100E9


Potentiometers 50 KOhms 30%
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ALPS 1333
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AUD 1.7688
Multiples of: 25

3296W-1-125LF


Trimmer Resistors - Through Hole 3/8" 1.2Mohms Sealed Vertical Adjust
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Bourns 1332
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AUD 1.6029
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3314Z-GA4-102E


Trimmer Resistors - SMD 4mm SQ 1K
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Bourns 1332
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AUD 2.5577
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PT15NV18-253A2020


Trimmer Resistors - Through Hole 25Kohms 15mm Rnd
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Amphenol 1329
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AUD 0.9287
Multiples of: 1

R16148-1B-2-B2K2


Potentiometer: shaft; single turn; 2.2kO; 125mW; ±20%; THT; 6mm
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SR Passives 1317
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AUD 0.548
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T910W-25K


Potentiometer: mounting; multiturn; 25kO; 500mW; THT; ±10%; linear
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SR Passives 1121
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AUD 0.244
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