Power Electronics

Thin Embedded Capacitors for Substrates

Murata Electronics North America has introduced the GRU series, the world's thinnest embedded monolithic capacitor for substrates. Using advanced ceramic technology, the new 0402 size capacitor, measuring only 1.0mm x 0.5mm x 0.15mm, is built into the substrate for placement below integrated circuits (ICs) and other electronics. The GRU series was developed using Murata's leading-edge dielectric material expertise to achieve the world's lowest profile at 150µm with a sophisticated external electrode formation to reduce the component's thickness, while simultaneously providing a capacitance of 0.1µF. The built-in feature also enhances equipment performance by reducing wiring inductance.

Other benefits of the 0402 sized capacitor include a rated voltage of 6.3Vdc and X5R dielectric. The design also provides reliable connectivity via plating by utilizing copper plated terminations that can withstand the buildup process.

The GRU series (global part number: GRU15YR60J104KE01*) is available for five cents and lead times are approximately 12 to 14 weeks.

Besides the 0402 GRU series, Murata offers a variety of ceramic capacitors in a wide range of voltages. Specifically, Murata makes monolithic capacitors (capacitors for general-purpose and automotive, medium voltage capacitors, safety standard recognized capacitors, lead type capacitors), disc capacitors (medium voltage capacitors, safety standard recognized capacitors), high frequency single layer microchip capacitors and ceramic trimmer capacitors. Murata also provides technical support that includes design kits and a comprehensive set of software tools to simulate virtually any circuit condition.

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