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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026TB32R101B1B1


100 Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Wirewound 5W Solder Lug
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CTS 142
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AUD 8.5433
Multiples of: 1

POT2218M2-2K


Potentiometer: shaft; multiturn; 2kO; 2W; ±5%; 6.35mm; linear
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SR Passives 142
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AUD 10.4
Multiples of: 1

3549S-1AB-501B


Precision Potentiometers 2W 500 ohm 3% 10-Turn
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Bourns 142
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AUD 27.4423
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Y005620K0000K0L


Vishay Precision Group Foil Resistors Trimmer Resistors - Through Hole 1280G 20Kohms 10.0% 34w
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Vishay 142
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AUD 42.9873
Multiples of: 1

PTV09A-4020U-B504


Potentiometers PANEL CONTROL - 9MM-ST-CA 500 kohms 20 mm
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Bourns 141
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AUD 0.7211
Multiples of: 1

PTD902-2215K-B104


Res Carbon Film POT 100K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (24.65 X 9.5 X 11.3mm) Pin Panel Mount/Through Hole Automotive
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Bourns 141
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AUD 1.8671
Multiples of: 144

3296Y-1-100


Trimmer Resistors - Through Hole 38IN 10 OHMS Sealed Vertical Adjust
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Bourns 141
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AUD 3.4325
Multiples of: 100

M64X504KB40


Trimmer Resistors - Through Hole 3/8"SQ 500Kohms Multi Turn Cermet
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Vishay 141
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AUD 4.7692
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53RAA-R25-A13L


Potentiometers 1/2" 5K 1% Square Sealed
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Bourns 141
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AUD 10.0992
Multiples of: 5

3362X-1-504LF


Trimmer Resistors - Through Hole 1/4"SQ 500KOHMS 10% 0.5WATTS
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Bourns 140
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AUD 0.3688
Multiples of: 5

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