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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RV121SF-30-009J-B1M-00K


Potentiometers 12mm molded cased rotary potentiometer with rotary switch (SPST) , vertical PCB Mounting type, Linear 1M ohms
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Alpha Taiwan 433
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AUD 2.8075
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3214W-2-201E


Trimmer Resistors - SMD 4MM SQ 200 OHMS 10% 5TURN
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Bourns 433
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AUD 3.5962
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RK12L1230C0T


Potentiometers 10 KOhms 20%
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ALPS 432
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AUD 0.9982
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3386P-DF6-504LF


Trimmer Resistors - Through Hole 38" SQ TRIMPOT 500K ST SEALED CERMET
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Bourns 432
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AUD 2.25
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270X232A504B1B1


500k Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Carbon 0.2W, 1/5W PC Pins, Board Locks
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CTS 432
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AUD 5.697
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91A1A-B28-E22L


Potentiometers 250K 10% 58"SQ SINGLETURN
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Bourns 432
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AUD 13.08
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3862C-282-103AL


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 1W Solder Lug
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Bourns 432
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AUD 23.7567
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91R1A-R22-B25L


Potentiometers 1M 20% 5/8" SQ ST
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Bourns 428
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AUD 7.2239
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PTD902-1025K-B503


50k Ohm 2 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 427
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AUD 2.0522
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TS53YJ201MR10


Trimmer Resistors - SMD 5mm SQUARE 200 OHM
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Vishay 426
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AUD 2.3149
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