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Inductor made with magnet wire wound around a toroidal core. Magnet wire or enameled wire is a copper or aluminium wire coated with a very thin layer of insulation.It is used in the construction of transformers, inductors, motors, generators, speakers, headphones, hard disk head actuators, electromagnets, electric guitar pickups, and other applications that require tight coils of insulated wire.
Surface-mount technology (SMT), originally called planar mounting, [1] is a method in which the electrical components are mounted directly onto the surface of a printed circuit board (PCB). [2] An electrical component mounted in this manner is referred to as a surface-mount device ( SMD ).
Superior Essex is the parent brand of Essex Furukawa Magnet Wire, Superior Essex Communications, and Essex Brownell. It has over 3,000 employees in 11 countries. Essex is among the leading [4] global manufacturers of magnet wire. [5] It is active in the electrification of the automotive, energy, and industrial sectors.
On January 18, 1960, Rea Magnet Wire was purchased by Alcoa. Sales manager Robert L. “Bob” Whearley—another Dudlo employee—was named President in late 1960 when brothers Samuel and David Rea left the company. Jim Vann, who had been president of Rea since 1982, joined with several others to buy Rea Magnet Wire from Alcoa.
Schematic of a permanent magnet motor using brushes and magnets in the stator. A permanent magnet motor is a type of electric motor that uses permanent magnets for the field excitation and a wound armature. The permanent magnets can either be stationary or rotating; interior or exterior to the armature for a radial flux machine or layered with ...
The coils, arranged radially, are made from copper wire coated with blue insulation. The rotor (upper right) has been removed and turned upside-down. The gray ring inside its cup is a permanent magnet. This particular motor is an outrunner, with the stator inside the rotor. DC brushless ducted fan. The two coils on the printed circuit board ...