MLCCs increase capacitance for automotive design

Two multi-layer ceramic capacitors (MLCCs) from Murata are claimed to set new benchmarks in compact dimensions and capacitance. The automotive-grade MLCCs exhibit low levels of equivalent series inductance (ESL).

The NFM15HC105D0G3 is supplied in a 0402 format and has dimensions of 1.0 x 0.5mm. It is claimed to be the world’s smallest three-terminal, low-ESL MLCC with 1.0 microF capacitance. The NFM18HC106D0G3, which has a 10 microF capacitance, and is, claims Murata, the highest capacity, three-terminal, low-ESL MLCC in a 0603 (1.6  x 0.8mm) form factor.

MLCCs are increasingly used in automotive designs as advanced driver assistance system (ADAS) implementations and autonomy levels develop. Electronic control unit (ECUs) components need to combine elevated capacitance figures and superior ESL characteristics with compact size and reliability, so that performance and board space limitations can be met.

The NFM15HC105D0G3 and NFM18HC106D0G3 uses Murata’s proprietary thin layer technology, as well the company’s high-precision lamination and electrode construction.

The NFM15HC105D0G3 occupies a volume that is as much as 60 per cent smaller than competing MLCCs on the market, said Murata. The NFM18HC106D0G3 has a capacitance that is approximately 10 times higher than many MLCCs of a similar size, added the company. The MLCCs are fully compliant with AEC-Q200 standards, and support an -55 to +125 degrees C operational temperature range. Both have a 2.0A current rating.

Murata manufactures electronic components, modules and devices. The company’s product range includes ceramic capacitors, resistors/thermistors, inductors/chokes, timing devices, buzzers, sensors and EMI suppression filters.

Murata also supplies Bluetooth and Wi-Fi modules, board-mount DC/DC converters and manufactures standard and custom AC/DC power supplies.

Murata was established in 1944 and is headquartered in Japan. It has European offices in Finland, France, Germany, Hungary, Italy, the Netherlands, Spain, Switzerland and the UK.

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