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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PTL30-15R0-103B1


Bourns Slide Potentiometers 10K LINEAR 20%
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Bourns 1940
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AUD 1.7357
Multiples of: 1

PV37X203C01B00


Trimmer Resistors - Through Hole 20Kohms Sealed 6mm SQ 12turn
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Murata 1940
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AUD 1.7442
Multiples of: 1

22AR500KLFTR


Trimmer Resistors - SMD 3MM Square 500K 20% Sealed
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TT Electronics 1940
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AUD 1.8393
Multiples of: 1000

1-1623916-2


3203X 500K
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TE Connectivity 1940
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AUD 1.9313
Multiples of: 1

3312J-1-104E


100 kOhms 0.1W, 1/10W J Lead Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 1940
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AUD 1.9444
Multiples of: 1

TS3YJ104MR15


Trimmer Resistors - SMD 3MM 100K
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Vishay 1940
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AUD 2.0577
Multiples of: 1

PV36X204C01B00


Trimmer Resistors - Through Hole 200Kohms
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Bourns 1940
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AUD 2.1346
Multiples of: 1

PV32H500A01B00


Trimmer Resistors - Through Hole 50 ohm
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Bourns 1940
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AUD 2.2567
Multiples of: 1

PV36X200C01B00


Trimmer Resistors - Through Hole 20ohms 10mm Square 25turns
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Murata 1940
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AUD 2.8654
Multiples of: 1

17PESA564MC19E


Res Thick Film POT 560K Ohm 20% 0.25W(1/4W) 1(Elec)/1(Mech)Turns 6mm Eyelet Panel Mount
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TE Connectivity 970
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AUD 9.2831
Multiples of: 1

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