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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RKS16RE


Rheostats 100watt 16ohm 1000V Std Shaft
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Ohmite 6
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AUD 849.347
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RLS1K25E


Ohmite Rheostats 150watt 1.25K 1200V Std Shaft
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Ohmite 6
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AUD 940.5037
Multiples of: 1

RRS500E


Rheostats 500watt 500ohm 1450V Std Shaft
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Ohmite 6
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AUD 2640.9329
Multiples of: 1

RUS4R0E


Rheostats 1000watt 4ohm 1600V Std Shaft
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Ohmite 6
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AUD 8263.4512
Multiples of: 1

G43BT-B502


Potentiometer: mounting; single turn; 5kΩ; 250mW; SMD; ±20%; linear
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Tocos 5
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AUD 0.5767
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PTA1544-2015CIA103


Bourns Slide Potentiometers 15MM SHAFT NO DET 15MM STRK DUAL AUD
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Bourns 5
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AUD 1.4218
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3386R-1-103


Trimmer Resistors - Through Hole 3/8"SQ 10KOHMS 10% 0.5WATTS
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Bourns 5
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AUD 1.7731
Multiples of: 1

M61P503KT20


Potentiometers 61 P 50K 10% TU50 e3
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Vishay 5
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AUD 1.9045
Multiples of: 1

3214J-1-103E


10 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Side Adjustment
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Bourns 5
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AUD 1.9701
Multiples of: 1

3314Z-GA4-501E


Trimmer Resistors - SMD 4mm SQ 500ohm
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Bourns 5
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AUD 2.003
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