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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T910Z-50K


Potentiometer: mounting; multiturn; 50kO; 500mW; THT; ±10%; linear
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SR Passives 1264
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AUD 0.2822
Multiples of: 1

3313J-2-503E


Trimmer Resistors - SMD 3MM TRIM POT 50K SMD SEALED
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Bourns 1261
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AUD 1.2763
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PTV09A-4020U-B103


Res Carbon Film POT 10K Ohm 20% 0.05W(1/20W) 1(Elec)/1(Mech)Turns 6mm (11.4 X 12.5 X 23.8mm) Pin Bracket Mount/Through Hole
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Bourns 1261
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AUD 0.897
Multiples of: 100

PTA3043-2010CIB103


Slide Potentiometers 10mm Shaft 10K Ohms Sgl Gang Ins Lev Lin
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Bourns 1261
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AUD 1.4107
Multiples of: 100

PT6KH252A2020


Potentiometer: mounting; single turn, vertical; 2.5kO; 100mW; ±20%
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Amphenol 1260
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AUD 0.3466
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82MR20KLF


Trimmer Resistors - Through Hole 1/2W 20K Ohms 10% SINGLE TURN
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TT Electronics 1259
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AUD 1.2956
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3386X-1-203LF


Trimmer Resistors - Through Hole 3/8" 20Kohms 10% 0.5Watts Square
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Bourns 1257
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AUD 1.2484
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R16148-1B-2-B1K


Potentiometer: shaft; single turn; 1kO; 125mW; ±20%; THT; 6mm; metal
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SR Passives 1256
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AUD 0.6089
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Hot 3296P-1-101LF


Trimmer Resistors - Through Hole 3/8" 100ohms Sealed Horizontal Adjust
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Bourns 1253
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AUD 0.8586
Multiples of: 1

3296P-1-103LF


Trimmer Resistors - Through Hole 3/8" 10Kohms Sealed Horizontal Adjust
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Bourns 68
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AUD 0.9015
Multiples of: 1

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