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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3224W-2-103E


Trimmer Resistors - SMD 4mm 10Kohms 10% Square Cermet Sealed
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Bourns 242
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AUD 3.8246
Multiples of: 250

G43BT-B203


Potentiometer: mounting; single turn; 20kΩ; 250mW; SMD; ±20%
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Tocos 43
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AUD 0.5161
Multiples of: 1

3214G-1-203E


20 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Side Adjustment
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Bourns 43
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AUD 1.9701
Multiples of: 1

3299X-1-105


Trimmer Resistors - Through Hole 1Mohms Standoffs Horizontal Adjust
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Bourns 43
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AUD 3.7873
Multiples of: 100

3310H-004-202L


2k Ohm 2 Gang Linear Panel Mount Potentiometer Rotary, SPDT 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 43
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AUD 10.3358
Multiples of: 1

3262P-1-253LF


Trimmer Resistors - Through Hole 1/4" 25Kohms 10% Square Cermet Sealed
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Bourns 43
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AUD 13.5634
Multiples of: 1

P11P1F0GJSY00503KA


Potentiometers 12.5mm 50Kohms 10% 1/4in slotted shaft
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Vishay 43
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AUD 14.3164
Multiples of: 1

AS3601


Res POT 100 Ohm 0.5W(1/2W) 1(Elec)/1(Mech)Turn 3.18mm (12.7 X 33.73mm) Solder Lug Panel Mount
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Ohmite 43
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AUD 16.8274
Multiples of: 1

TW1253KA


Potentiometers 25 KOhm 1W Wire
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TE Connectivity 43
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AUD 18.2649
Multiples of: 1

1676979-8


Potentiometers TW 1W 25K 6.35X25PL
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TE Connectivity 43
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AUD 18.2649
Multiples of: 1

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