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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CA9MV 50K


Potentiometer: mounting; single turn, horizontal; 50kO; 0.15W
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ACP 6649
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AUD 0.2278
Multiples of: 1

91A2A-B28-B15/B15L


Potentiometers 10K/10K 5/8" SQ ST 20%
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Bourns 247
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AUD 14.1522
Multiples of: 1

3362Z-1-502LF


Trimmer Resistors - Through Hole 1/4"SQ 5KOHMS 10% 0.5WATTS
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Bourns 247
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AUD 1.0081
Multiples of: 1

3386P-11-202


Res Cermet Trimmer 2K Ohm 10% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 3.15mm (9.53 X 9.53 X 4.83mm) Pin Thru-Hole Tube
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Bourns 247
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AUD 2.6446
Multiples of: 1

M43P105KB40


1 MOhms 0.16W PC Pins Through Hole Trimmer Potentiometer Cermet 18.0 Turn Side Adjustment
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Vishay 247
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AUD 4.4
Multiples of: 1

PTA1543-2015CPB103


Slide Potentiometers 15MM SHAFT NO DET 15MM STRK SNG LIN
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Bourns 246
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AUD 1.2363
Multiples of: 1

R9011-1-200K


Potentiometer: shaft; single turn; 200kO; 125mW; ±20%; THT; 6mm
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SR Passives 245
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AUD 0.7543
Multiples of: 1

026TB32R501B1A1


500 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 5W Solder Lug
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CTS 244
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AUD 4.7448
Multiples of: 1

3223W-1-102


1 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Bourns 209
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AUD 3.1851
Multiples of: 1

PTL45-15R0-104B2


Slide Potentiometers 100Kohms Travel=45mm
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Bourns 0
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AUD 2.1507
Multiples of: 840

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