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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3214J-1-100E


Trimmer Resistors - SMD 4MM SQ 10OHMS 10% 5TURN
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Bourns 89
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AUD 3.1346
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SM-31TW503


50 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Nidec Copal 89
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AUD 3.3271
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66WR200LF


Trimmer Resistors - Through Hole 200 ohm 10% 3/8" Squ
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TT Electronics 89
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AUD 4.1231
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363X500


Trimmer Resistors - Through Hole 500 Ohm, 0.5W,1Turns Trimmer
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Honeywell 89
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AUD 12.1642
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3590S-2-202L


2k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 89
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AUD 15.0247
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T6YA221KT20


Trimmer Resistors - Through Hole 220 10% 1/4"MULTITURN
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Vishay 89
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AUD 15.5642
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3252P-1-103


10 kOhms 0.75W, 3/4W PC Pins Chassis Mount Trimmer Potentiometer Cermet 25.0 Turn Side Adjustment
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Bourns 89
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AUD 19.406
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3262X-1-502


Trimmer Resistors - Through Hole 1/4" 5Kohms 10% Square Cermet Sealed
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Bourns 89
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AUD 20.0429
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AS3601E


Ohmite Potentiometers 12W POT 10%
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Ohmite 89
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AUD 38.5448
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3260H-1-501


Trimmer Resistors - Through Hole 14IN 500 OHMS 5% SQ Wirewound Sealed
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Bourns 89
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AUD 42.7325
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