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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SM-42TA102


Res Cermet Trimmer 1K Ohm 10% 1/4W 11(Elec)Turn 1.5mm (4.8 X 5 X 3.7mm) J-Hook SMD T/R
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Nidec Copal 1218
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AUD 2.9479
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95A1D-B24-A25


Potentiometers 5/8" 1M 10% Square Single Turn
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Bourns 249
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AUD 8.7873
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3386C-1-201LF


200 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Side Adjustment
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Bourns 248
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AUD 1.4497
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PTA4543-2010CIB502


Slide Potentiometers 5K LINEAR
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Bourns 248
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AUD 1.5975
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P092N-FC25AR10K


Potentiometers 1/40W 10K Ohms 20% 9mm ROTARY POT
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TT Electronics 246
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AUD 2.5448
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6639S-301-103


Precision Potentiometers PRECISION POT-7/8" 22MM 1 TURN CP
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Bourns 245
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AUD 25.0537
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82R1A-R22-A13L


Potentiometers 5K 10% 5/8" SQ 1TURN
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Bourns 244
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AUD 15.597
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SM-42TX501


500 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Nidec Copal 238
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AUD 3.0857
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PCW1J-C28-BBB103L


Bourns Potentiometers 10K 20% Sq 22mm Single Turn
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Bourns 237
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AUD 7.3552
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TS63Y503KT20


Trimmer Resistors - SMD 1/4" SQ 50K
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Vishay 215
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AUD 4.1373
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