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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3306F-1-504


Trimmer Resistors - Through Hole 500K 25% 6mm Single Turn
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Bourns 4389
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AUD 0.4763
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3362H-1-503LF


Trimmer Resistors - Through Hole 1/4"SQ 50KOHMS 10% 0.5WATTS
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Bourns 326
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AUD 1.4415
Multiples of: 1

RV120F-10-15F-B50K


Potentiometers Linear D-Shaft 50K
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Alpha Taiwan 311
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AUD 1.5072
Multiples of: 1

CA14NV12,5-50KA2020


Potentiometer: mounting; single turn, horizontal; 50kO; 250mW
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ACP 311
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AUD 0.3218
Multiples of: 1

PTL20-15R1-502B2


Slide Potentiometers 5Kohms Travel=20mm Center Detent
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Bourns 311
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AUD 2.2657
Multiples of: 1

3352V-1-201LF


Trimmer Resistors - Through Hole 3/8" TRIMPOT 200uH RND ST CERMET
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Bourns 311
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AUD 2.5612
Multiples of: 1

PDB12-M4251-105BF


Res Carbon Film POT 1M Ohm 20% 0.08W 1(Elec)/1(Mech)Turns 6mm Pin Bracket Mount/Through Hole
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Bourns 310
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AUD 0.8748
Multiples of: 100

PTA2043-2015CIB203


Slide Potentiometers PANEL CONTROL - SLIDE CARBON
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Bourns 306
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AUD 1.1854
Multiples of: 1

RTR24DX103M


Trimmer Resistors - Through Hole 50ppm 10Kohms 25 TURN NOM.
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Bourns 291
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AUD 36.9403
Multiples of: 25

PV36W101C01B00


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Top Adjustment
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Murata 0
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AUD 1.3709
Multiples of: 1

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