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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Hot 3224J-1-203E


20 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer Potentiometer Cermet 12.0 Turn Side Adjustment
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Bourns 1205
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AUD 1.5122
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3224W-1-204G


Trimmer Resistors - SMD 4mm 200Kohms 10% Square Cermet Sealed
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Bourns 1071
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AUD 3.9808
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3314G-1-100E


10 Ohms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 1070
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AUD 1.0875
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89PR10LF


Trimmer Resistors - Through Hole 3/4" Rect 10 10% 20-turn
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TT Electronics 1070
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AUD 1.2257
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T73XX503KT20


Trimmer Resistors - Through Hole 1/4" SQ H/ADJ 50K
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Vishay 1069
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AUD 1.0937
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68XR2KLF


Trimmer Resistors - Through Hole 3/8" Squ 2K 10%
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TT Electronics 1068
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AUD 1.5321
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PTA6044-2015DPB103


Slide Potentiometers 10K LINEAR
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Bourns 1067
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AUD 1.9486
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3306W-1-504


Trimmer Resistors - Through Hole 500K 25% 6mm Single Turn
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Bourns 1067
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AUD 0.3525
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RA1010N-1H-2016-B50K-000


SMD Potentiometers, Variable Resistors ROHS
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G-Switch 1017
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AUD 0.5105
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3386P-1-104LF


Trimmer Resistors - Through Hole 3/8" 100Kohms 10% 0.5Watts Square
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Bourns 864
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AUD 0.7105
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