Planar magnetics offer an attractive alternative to conventional core shapes when a low profile of magnetic devices is required. Basically this is a construction method of inductive components whose windings are fabricated using printed circuit tracks or copper stampings separated by insulating sheets or constructed from multilayer circuit boards. These windings are placed in low profile ferrite EE- or E-PLT combinations. Planar devices can be constructed as stand alone components or ‘integrated’ into a multilayer mother board with slots for the ferrite E-core. The Ferro cube range of planar cores are all made from press tooling. This gives the advantage of radiuses corners and edges. It also means that clamp recesses can be incorporated.
Low profile construction
Low leakage inductance
Excellent repeatability of parasitic properties
Ease of construction and assembly
Excellent thermal characteristics, easy to heat sink