Multilayer ferrite coils

16 March 2011 Passive Components

TDK-EPC has developed a multilayer ferrite coil (MLZ2012-H series) in case size EIA 2012 exhibiting high rated current.

With a current capability of up to 700 mA at 1,0 μH and dimensions of just 2,0 x 1,25 x 1,25 mm, the parts are well suited for decoupling in compact electronic devices.

The improvement in the coil’s key performance characteristics over the existing product (MLZ2012-W) was achieved through the use of advanced proprietary ferrite materials with an optimised multilayer structure. This was made possible by the precise control of the enamel physical properties and allows a further improvement of the coil design and superior DC superimposition characteristics on a par with those of wire wound-type coils. The inductors are available with inductance values of 1,0 to 10 μH with a tolerance of ±20%. At DC resistance values of 0,1 to 0,68 Ω (±30%) the current range is between 200 and 700 mA.

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