Specifically, Samsung Electro-Mechanics is releasing X7R dielectric (operating temperatures from -55 up to 125°C) MLCCs, offering 2.2nF~470nF capacitance and rated voltage up to 2000Vdc.
The dimensions are 4.5 x 3.2mm (“1812 inch”), extending the previous 1210-inch products.
Note that the new MLCCs comply with AEC-Q200. This is the standard for stress resistance that all passive electronic components must meet for use within the automotive industry.
The company writes:
“The prevailing trend in EVs is seeing the application of higher voltages to a growing list of power electronic components. In motion, the vehicle’s charging and distribution system supplies energy to the electric drive system, motors and other sub-systems. Initial generations of EVs connected these sub-systems using 400V power rails. However, the trend today is towards 800V platforms, not just to take advantage of fast-charging technologies but also the greater efficiency of drivetrains at high torque or speed (from higher applied voltage).”
Accordingly, the new MLCCs support electronic components such as on-board chargers (OBCs), motor drive inverters, DC-DC converters, wireless power transfer systems (WPTs), battery management systems (BMS), and compressors and pumps.
They carry the package codes CL43B222KJRRP#, CL43B224KHU6PJ# and CL43B474KEU6PJ#. And according to the company, mass production is already underway. Samples are available upon request.
The frequency and voltage characteristics data are pictured right.
See also: 10µF 50V in 1206 aimed at vehicles
