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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RV24AF-10-15R1-A50K-3LA


Potentiometers Audio 50K
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Alpha Taiwan 1209
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AUD 1.4492
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1630479-8


Trimmer Resistors - Through Hole CB10H 100K HEX LONG LIFE
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TE Connectivity 1208
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AUD 0.3142
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3314R-1-103E


10 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Bottom Adjustment
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Bourns 1208
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AUD 1.6727
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RK14K1220D1J


±20% 50mW 5kΩ Plugin Variable Resistors/Potentiometers ROHS
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ALPS 1207
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AUD 0.426
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PT10LH01-102A2020-PM-S


Trimmer Resistors - Through Hole 10mm controlsensor trimmr potentiometer
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Amphenol 1207
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AUD 0.5181
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PTC10LH01-202A2020


Trimmer Resistors - Through Hole 2Kohms 10mm Rnd
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Amphenol 1207
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AUD 1.2308
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MMP 221 R


Switch Slide ON ON DPDT Side Slide 0.2A 12VDC 5000Cycles PC Pins Thru-Hole
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Knitter-Switch 1206
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AUD 2.1429
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026TB32R250B1A1


25 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 5W Solder Lug
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CTS 1205
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AUD 4.9238
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3362P-1-302LF


Bourns Trimmer Resistors - Through Hole 14"SQ 3KOHMS 10% 0.5WATTS
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Bourns 1202
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AUD 0.6488
Multiples of: 250

PC16SH10IP06104A2020TA


Potentiometer: shaft; single turn; 100kO; 200mW; THT; 6mm; plastic
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Amphenol 1191
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AUD 2.1778
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