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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3386Y-1-105LF


Bourns Trimmer Resistors - Through Hole 38" 1Mohms 10% 0.5Watts Square
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Bourns 197
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AUD 1.4001
Multiples of: 1

PTD902-2220F-B502


Potentiometers 5K LINEAR
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Bourns 197
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AUD 1.5068
Multiples of: 1

68WR1MEGLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 9.53MM 38" 25-TURN SEALED
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TT Electronics 197
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AUD 1.6116
Multiples of: 1

3386W-1-103


Trimmer Resistors - Through Hole 3/8"SQ 10KOHMS 10% 0.5WATTS
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Bourns 197
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AUD 1.9475
Multiples of: 1

PTL30-15O0-104B2


Slide Potentiometers 100Kohms Travel=30mm
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Bourns 197
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AUD 2.0429
Multiples of: 1

PV37X201C01B00


TRIMMER-1/4in SQ MT CERMET
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Bourns 197
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AUD 3.0123
Multiples of: 100

90PR50KLF


BI Technologies TT Electronics Trimmer Resistors - Through Hole 34W 50K Ohms 10% MULTI TURN
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TT Electronics 197
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AUD 3.3577
Multiples of: 68

3310Y-101-504L


Potentiometers 9mm 500Kohms Single Cup
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Bourns 197
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AUD 3.9984
Multiples of: 1

PTM902-025K-503A2


Potentiometers 25MM SHAFT 50KOHMS DUAL NO DET
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Bourns 197
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AUD 5.7692
Multiples of: 1

84A1A-B28-J10L


1k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 1W Solder Lug
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Bourns 197
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AUD 55.0175
Multiples of: 1

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