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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RV24A01F-10-15R1-B500-3


Potentiometers Linear W/SW 500 OHMS Solder Lugs
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Alpha Taiwan 959
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AUD 2.4808
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3352V-1-203LF


Trimmer Resistors - Through Hole 3/8" RD TRIMPOT 20K ST CERMET
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Bourns 959
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AUD 2.76
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T73YE501KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 500
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Vishay 958
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AUD 1.3593
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68XR5KLF


Trimmer Resistors - Through Hole 9.53MM 3/8" 25-TURN SEALED
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TT Electronics 958
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AUD 1.6029
Multiples of: 1

T73YB203KT20


Trimmer Resistors - Through Hole 1/4"SQ V/ADJ 20K
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Vishay 958
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AUD 1.7481
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T73XW104KT20


Trimmer Resistors - Through Hole 1/4"SQ H/ADJ 100K
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Vishay 957
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AUD 1.5019
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RA2043F-20-10EB1-A5K


Slide Potentiometers 20mm TRVL AUDIO 5K PC Mount
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Alpha Taiwan 956
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AUD 1.4423
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12VR2S20FCN103B1


Potentiometers BluGrn LED 100kOhm -10C +70C Flat Shaft
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CTS 956
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AUD 5.9871
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53RAA-R25-A15L


10k Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Cermet 1W Solder Lug
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Bourns 953
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AUD 10.0729
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25PR100KLF


100 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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TT Electronics 935
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AUD 1.177
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