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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3549S-1AG-103B


Precision Potentiometers 2W 10Kohm 3% 10-Turn
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Bourns 40
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AUD 40.3881
Multiples of: 1

3290P-1-103


3290P-1-103 TRIMMER
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Bourns 40
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AUD 66.0261
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REL350E


Rheostats 12.5watt 350ohm 305V Locking Shaft
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Ohmite 40
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AUD 571.5858
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W3296W-1-201


200R TRIMPOT MULTI TURN TRIMMER VERT/TOP ADJ STRT PINS
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Netech 39
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AUD 0.4385
Multiples of: 1

Hot 3314G-1-500E


50 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 39
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AUD 0.6927
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3296X-1-204LF


Trimmer Resistors - Through Hole 3/8" 200Kohms Sealed Horizontal Adjust
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Bourns 39
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AUD 1.2495
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MFP231P


Switch Slide ON ON ON Extended Top Slide 0.35A 30VDC 10000Cycles PC Pins Bracket Mount/Through Hole
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Knitter-Switch 39
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AUD 1.8597
Multiples of: 1

3386P-DF6-501LF


Trimmer Resistors - Through Hole 3/8" TRIMPOT 500uH ST SEALED CERMET
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Bourns 39
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AUD 2.25
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PTV112-3212A-B103


Potentiometers Dual Gang CntrDetent 12.5mm B Taper 103
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Bourns 25
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AUD 1.4481
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53C1500K


Potentiometers 500 K Ohms 10% 2W Solder Lug
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Honeywell 16
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AUD 35.2985
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