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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3362W-1-501


Trimmer Resistors - Through Hole 1/4IN SQ 500 OHM 10% 0.5WATTS
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Bourns 175
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AUD 1.3453
Multiples of: 1

3386G-1-101LF


100 Ohms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 175
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AUD 1.3939
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91AR5KLF


Trimmer Resistors - Through Hole 3/8inch 5K LEADFREE Thumbwheel
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TT Electronics 175
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AUD 1.6133
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91ER20KLF


Trimmer Resistors - Through Hole 3/8inch 20KLEADFREE Thumbwheel
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TT Electronics 175
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AUD 1.8234
Multiples of: 1

3362S-1-101


Trimmer Resistors - Through Hole 14IN SQ 100 OHM 10% 0.5WATTS
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Bourns 175
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AUD 1.8442
Multiples of: 1

91ER100KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 38inch 100KLEADFREE Thumbwheel
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TT Electronics 175
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AUD 1.8832
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T7YB221MB40


Trimmer Resistors - Through Hole 220 20% 7MM SINGLETURN
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Vishay 175
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AUD 6.3077
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381N25K


Potentiometers 25K Ohm 10% 1W 3.18mm
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Honeywell 175
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AUD 43.873
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68XR5KLF


Trimmer Resistors - Through Hole 9.53MM 3/8" 25-TURN SEALED
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TT Electronics 78
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AUD 1.781
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M64X503KB40


50 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 23.0 Turn Side Adjustment
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Vishay 0
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AUD 2.654
Multiples of: 1

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