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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RJ50FP101


Trimmer Resistors - Through Hole TRIMMER-1/4" ST CERMET MIL-SPEC
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Bourns 48
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AUD 30.1493
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3549S-1AC-102B


Bourns Precision Potentiometers PRECISION POT 1K .1% 78" 22MM DIA 10T WW
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Bourns 48
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AUD 32.3597
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3540S-1-101L


100 Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 48
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AUD 32.8194
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7286R50KL.25


BI Technologies TT Electronics Precision Potentiometers 78" 50KOHM 10 TURN WIREWOUND
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TT Electronics 48
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AUD 34.4284
Multiples of: 1

3292W-1-502M


TRIMMER - 3/8 SQ MT CERMET
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Bourns 48
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AUD 34.4972
Multiples of: 1

3250W-1-500


Trimmer Resistors - Through Hole 50 OHMS 5% Square Sealed
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Bourns 48
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AUD 35.5612
Multiples of: 1

3290W-1-503


Trimmer Resistors - Through Hole 3/8" 50Kohms Sealed Vertical Adjust 5%
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Bourns 48
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AUD 38.6642
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3260H-1-103


10 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Wirewound 11.0 Turn Side Adjustment
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Bourns 48
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AUD 41.9478
Multiples of: 1

3260H-1-202


2 kOhms 0.25W, 1/4W PC Pins Through Hole Trimmer Potentiometer Wirewound 11.0 Turn Side Adjustment
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Bourns 48
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AUD 41.9478
Multiples of: 1

CU1031E


Res POT 10K Ohm 2W 1(Elec)/1(Mech)Turn 6.35mm (66.68 X 29.4mm) Solder Lug Panel Mount
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Ohmite 38
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AUD 43.191
Multiples of: 2

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