Power

Compact SMD inductors serve space constraints

23rd June 2016
Caroline Hayes

Two power inductors from Würth Elektronik eiSos, the WE-PMMI and WE-PMCI, can be used in efficient DC/DC switching controllers where space is limited. They can be used in switching controllers and portable applications.

The WE-PMMI (Power Moulded Multi-layer Inductor) series is manufactured in the multi-layer process. According to the company, the RDC value is significantly reduced by pressing a double silver layer. In addition to a high current loading capacity, the series has high saturation current values. It is available in 0806, 0805 LP and 0806 LP package options. The low RDC makes them suitable for efficient switching controllers with switching frequencies up to 20MHz.

The WE-PMCI (Power Moulded Chip Inductor) is a compact pressed power inductor with wire winding, available in five package sizes and three types. Its soft saturation behavior makes it suitable for portable applications with switching frequencies above 20MHz.

Samples are available on request, and the inductors are immediately available from stock.

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