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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3362P-1-223LF


Trimmer Resistors - Through Hole 1/4"SQ 22KOHMS 10% 0.5WATTS
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Bourns 1629
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AUD 0.6018
Multiples of: 250

37WR200LF


Res Cermet Trimmer 200 Ohm 20% 0.5W(1/2W) 1(Elec)/1(Mech)Turn (8.8 X 12.85mm) Pin Thru-Hole Bag
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TT Electronics 1629
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AUD 0.9288
Multiples of: 1

PS45G-C1LBR10KN


BI Technologies TT Electronics Slide Potentiometers 10K Ohms 20% SLIDE POTENTIOMETER
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TT Electronics 1627
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AUD 5.241
Multiples of: 1

PTC10LV10-201A2020


Trimmer Resistors - Through Hole 200ohms 10mm Rnd
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Amphenol 1626
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AUD 1.1022
Multiples of: 1

PTC10LV10-501A2020


Trimmer Resistors - Through Hole 500ohms 10mm Rnd
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Amphenol 1626
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AUD 1.1361
Multiples of: 1

3314G-2-204G


Trimmer Resistors - SMD 4MM SQ TRIMPOT 200K ST CERMET SMD
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Bourns 1626
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AUD 1.3052
Multiples of: 1

1806PSMD-5K


Potentiometer: mounting; horizontal, multiturn; 5kO; 250mW; SMD
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SR Passives 1624
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AUD 0.572
Multiples of: 1

3296Z-1-503LF


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 1623
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AUD 1.6029
Multiples of: 1

R16148-1A-1-A2K2


Potentiometer: shaft; single turn; 2.2kO; 63mW; ±20%; on cable; 6mm
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SR Passives 1610
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AUD 0.286
Multiples of: 1

3386W-1-203LF


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 776
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AUD 1.0768
Multiples of: 100

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