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 3296W-1-101LF


Trimmer Resistors - Through Hole 3/8IN 100 OHM Sealed Vertical Adjust
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Bourns 670
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AUD 0.8717
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RV142FPF-40B1-15K-0B10K-004


Potentiometers 14mm w/Switch 10K Knurled Shaft
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Alpha Taiwan 170
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AUD 3.754
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T93Z101KT20


Trimmer Resistors - Through Hole 3/8" SQ H/ADJ 100
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Vishay 170
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AUD 4.14
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3299P-1-500


Trimmer Resistors - Through Hole 50ohms Standoffs Horizontal Adjust
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Bourns 170
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AUD 6.0962
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RA60K1F-10-13D1-B100K-011


Slide Potentiometers DUAL RAIL MONO UNIT TRAVEL 60MM 100K
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Alpha Taiwan 170
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AUD 16.1159
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RV4LAYSA101A


Potentiometers RV4 Series Industrial Potentiometer, Conductive Plastic Element, Solder lug Terminals, 2 W Power Rating, 100 Ohms Resistance Value
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Honeywell 170
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AUD 39.4643
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PT15-L-V-503(50K)


±20% 250mW 50kΩ - Variable Resistors/Potentiometers ROHS
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Guosheng 169
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AUD 0.2055
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3386Y-1-503


Trimmer Resistors - Through Hole 3/8"SQ 50KOHMS 10% 0.5WATTS
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Bourns 169
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AUD 2.0123
Multiples of: 100

3214X-1-504E


500 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimmer Potentiometer Cermet 5.0 Turn Top Adjustment
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Bourns 169
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AUD 2.1476
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3329P-1-500LF


Trimmer Resistors - Through Hole 1/4"RND 50OHMS 10% 0.5WATTS
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Bourns 169
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AUD 2.2
Multiples of: 1

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