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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3386F-1-201


Trimmer Resistors - Through Hole 3/8"SQ 200OHMS 10% 0.5WATTS
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Bourns 194
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AUD 1.806
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3314S-1-502E


Trimmer Resistors - SMD 4mm SQ 5K
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Bourns 123
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AUD 1.6794
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3310P-001-105L


1M Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Conductive Plastic 0.25W, 1/4W PC Pins
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Bourns 123
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AUD 2.6925
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3296W-1-200


Trimmer Resistors - Through Hole 3/8" 20ohms Sealed Vertical Adjust
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Bourns 123
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AUD 2.9388
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PTR901-2015K-B503


50k Ohm 1 Gang Linear Panel Mount Potentiometer Rotary, SPST 1.0 Kierros Carbon 0.05W, 1/20W PC Pins, Board Locks
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Bourns 123
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AUD 3.0866
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POT2218P-20K


Potentiometer: shaft; multiturn; 20kO; 2W; ±5%; 6.35mm; linear
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SR Passives 109
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AUD 8.6716
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MMP221.


Switch Slide ON ON DPDT Top Slide 0.3A 6VDC 5000Cycles PC Pins Thru-Hole
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Knitter-Switch 108
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AUD 2.006
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3386G-1-203LF


20 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 99
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AUD 1.3299
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PCW1J-B24-BAD103L


Potentiometers 10K 20% Sq 22mm Single Turn
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Bourns 88
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AUD 7.3224
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3299X-1-502LF


Trimmer Resistors - Through Hole 5Kohms Standoffs Horizontal Adjust
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Bourns 57
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AUD 2.2657
Multiples of: 1

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