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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3386H-1-222LF


Trimmer Resistors - Through Hole 3/8" 2.2Kohms 10% 0.5Watts Square
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Bourns 2453
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AUD 1.1094
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PT15LV18-502A2020


Trimmer Resistors - Through Hole 5Kohms 15mm Rnd
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Amphenol 2445
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AUD 0.7635
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PT15NV15-105A2020


Trimmer Resistors - Through Hole
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Amphenol 2440
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AUD 0.7606
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PVG5H203C03R00


Trimmer Resistors - SMD 20Kohms 5mm 11turn Side Adjust
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Murata 2434
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AUD 2.3377
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82PR20KLF


Trimmer Resistors - Through Hole 6.35MM 1/4" SINGLE-TURN SEALED
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TT Electronics 2432
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AUD 1.1173
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PT6KV-203A2020


Trimmer Resistors - Through Hole 20Kohms 6mm Rnd Top adj
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Amphenol 2429
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AUD 0.5308
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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 2429
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AUD 1.4434
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TC33X-2-204E


Trimmer Resistors - SMD 3MM 200KOHMS 25% 0.1WATT OPEN FRM
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Bourns 2425
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AUD 0.1636
Multiples of: 2500

3296W-1-472LF


Bourns Trimmer Resistors - Through Hole 38" 4.7Kohms Sealed Vertical Adjust
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Bourns 1940
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AUD 1.6304
Multiples of: 100

P231-FC20BR10K


Res Conductive Plastic POT 10K Ohm 20% 0.5W(1/2W) 1(Elec)/1(Mech)Turn 6mm (31.5 X 24 X 30.15mm) Solder Lug Panel Mount
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TT Electronics 1866
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AUD 2.0743
Multiples of: 1

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