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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RV24AF-10-15R1-A250K-3LA


Potentiometers Audio 250K
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Alpha Taiwan 853
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AUD 1.781
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72XWR1MEGLF


Trimmer Resistors - Through Hole 1/2W 1M Ohms 10% SINGLE TURN
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TT Electronics 853
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AUD 3.1967
Multiples of: 1

1806WSMD-2K


Potentiometer: mounting; vertical, multiturn; 2kO; 250mW; SMD; ±10%
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SR Passives 852
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AUD 1.0733
Multiples of: 1

PTA4543-2010CIB502


Slide Potentiometers 5K LINEAR
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Bourns 852
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AUD 1.7111
Multiples of: 1

3386P-1-471LF


Bourns Trimmer Resistors - Through Hole 38IN 470 OHMS 10% 0.5Watts Square
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Bourns 851
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AUD 1.1884
Multiples of: 1

PTV111-1415A-A3105


1M Ohm 1 Gang Logarithmic Panel Mount Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 851
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AUD 1.2397
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SM-42TA101


100 Ohms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Side Adjustment
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Nidec Copal 851
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AUD 3.2817
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PTV112-4220A-B103


Potentiometers 10K LINEAR 20%
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Bourns 850
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AUD 1.5959
Multiples of: 1

P091P-FC25BR10K


Res Conductive Plastic POT 10K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (40.75 X 9.5 X 11.35mm) Pin Panel Mount/Through Hole
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TT Electronics 850
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AUD 3.3
Multiples of: 1

3386F-1-203LF


Trimmer Resistors - Through Hole 3/8" 20Kohms 10% 0.5Watts Square
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Bourns 776
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AUD 1.1663
Multiples of: 1

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