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Montage of MAGNETICS® Cores Uses
Introduction
MAGNETICS® cores are used to build a wide variety of components for electronics systems. These systems are found in many diverse products used by industrial controls, telecommunications, space, military, medical, consumer electronics, and other industries.  Our components are used in devices such as pagers, cellular telephones, computers, telecommunications and network equipment, power supplies and even the Hubble Space Telescope.

Detailed information on many applications can be located from the MAGNETICS Core Selection Matrix, using the links below, or by following the menu items above.
Transformers
Power transformers for switch-mode power supplies demand high frequency, low loss, core materials.  Typically, ferrites are used in forward, push-pull, half-bridge, and full-bridge topologies.  Powder core materials, such as Kool Mu®, are frequently used for the flyback topology.  Lower frequency designs, such as 400Hz transformers used in avionics systems, use cores made from nickel-alloy strip. Strip wound cores are also used to build current transformers that accurately measure 50/60Hz line currents.
Inductors
High permeability ferrite toroids are used to build common-mode inductors found in EMI noise filters.  Differential inductors, power factor correction (PFC) inductors, and output chokes, which must support DC current without saturating, are frequently built with powder core materials that offer a soft-saturation characteristic.
Special Applications
There are many unique applications for MAGNETICS cores that fall outside the scope of traditional transformers and inductors.  Ferrite toroids may be slotted for use with Hall-effect sensors to measure current.    Bobbin cores made from nickel-alloy strip, as thin as 1/8 mil, are used to build the most accurate magnetometers in the world, which sense the earth’s magnetic field in a variety of applications.

If you do not find the information you need available on our website, then please visit our Contacts Section to have your needs reviewed in detail by our Applications Engineering Department.