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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G43SAT1-B502


Potentiometer: mounting; single turn; 5kΩ; 250mW; SMD; ±20%; linear
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Tocos 1212
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AUD 0.5469
Multiples of: 1

3362X-1-203LF


Trimmer Resistors - Through Hole 1/4"SQ 20KOHMS 10% 0.5WATTS
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Bourns 1212
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AUD 0.882
Multiples of: 250

R16148-1B-1-B220K


Potentiometer: shaft; single turn; 220kO; 125mW; ±20%; on cable
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SR Passives 1211
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AUD 0.2938
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PT15NV02-503A2020-E-S


TRIMMER, 50K, 0.25W, 1TURN
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Amphenol 1211
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AUD 0.8415
Multiples of: 1

3386F-1-471LF


Bourns Trimmer Resistors - Through Hole 38IN 470 OHMS 10% 0.5Watts Square
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Bourns 1210
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AUD 1.155
Multiples of: 1

3223W-1-101E


Trimmer Resistors - SMD 100 OHM 3mm 20%
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Bourns 1210
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AUD 3.1382
Multiples of: 1

1630479-8


Trimmer Resistors - Through Hole CB10H 100K HEX LONG LIFE
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TE Connectivity 1208
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AUD 0.3142
Multiples of: 1

Hot RK16312101A2


ALPS Potentiometers 10 KOhms 20%
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ALPS 1208
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AUD 3.1032
Multiples of: 1

T910Y-100R


Potentiometer: mounting; multiturn; 100O; 500mW; THT; ±10%; linear
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SR Passives 713
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AUD 0.2878
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PTA3043-2015CPB103


Bourns Slide Potentiometers 15mm Shaft 10K Ohms Sgl Gang Met Lev Lin
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Bourns 291
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AUD 1.3566
Multiples of: 100

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