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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RJR24FP202M


Trimmer Resistors - Through Hole TRIMMER-3/8" SQMT CERMET MIL-SPEC
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Bourns 56
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AUD 12.2761
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3590S-1-202L


2k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 56
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AUD 15.8433
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P16SNP102MAB15


Potentiometers 1Kohms 20% Linear w/SW HDWR INC IP67
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Vishay 56
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AUD 24.8403
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3549S-1AA-102A


1k Ohm 1 Gang Linear Panel Mount Potentiometer None 10.0 Kierros Wirewound 2W Solder Lug
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Bourns 56
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AUD 26.3507
Multiples of: 1

3540S-1-501L


Precision Potentiometers 7/8IN WW 500 OHMS 0.25% 10turn
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Bourns 56
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AUD 33.0164
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7486R10KL.25


Precision Potentiometers 10K ohm 5% 1/4" Shaft 5 Turn
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TT Electronics 56
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AUD 34.9209
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3290P-1-502


5 kOhms 1W PC Pins Through Hole Trimmer Potentiometer Wirewound 25.0 Turn Side Adjustment
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Bourns 56
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AUD 48.1157
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83A1A-B24-J18L


Precision Potentiometers 5/8" 50K 5% Square 10 Turn
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Bourns 56
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AUD 61.6431
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6638S-1-103


Precision Potentiometers 10K 10% 7/8" Bushing Mount
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Bourns 56
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AUD 150.4537
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RHS25RE


25 Ohm 1 Gang Linear Panel Mount Potentiometer None 1.0 Kierros Wirewound 25W Solder Lug
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Ohmite 56
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AUD 309.9701
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