The multilayer ceramic capacitor (MLCC), which has a capacitance of 15nF, a rated voltage of 1.25kV, and C0G characteristics in its compact 1210-inch (3.2mm x 2.5mm) dimensions, has been introduced and put into mass production by Murata Manufacturing.
This product is appropriate for onboard chargers (OBCs) in electric vehicles (EVs) and power supply circuits in high-performance consumer electronics because it provides extremely efficient power conversion and steady performance under high-voltage conditions.
Efficient power conversion and the suppression of current and voltage peaks depend on resonant and snubber circuits. Repeated exposure to high voltage and high current in both circuits might result in even slight changes in component performance, which could lead to malfunction or failure as well as efficiency loss or heat generation.
Power supply switching devices have recently shifted from silicon MOSFETs to silicon carbide (SiC) MOSFETs, which allow for faster switching and greater efficiency. There is a need for capacitors with ratings higher than the 1.2kV breakdown voltage required by SiC MOSFET applications.
Therefore, capacitors that reduce power loss, resist high working voltages, and retain consistent performance throughout a wide temperature range are necessary for these applications.
The new 1.25kV MLCC meets these demands and supports the most recent SiC MOSFET technologies by utilizing Murata’s proprietary ceramic and electrode materials, thin-layer molding technology, and high-precision stacking technology.
According to EIA standards, the new product is perfect for use in both resonant and snubber circuits because of its inherent advantages, which include low loss and consistent capacitance over an operating temperature range of -55°C to +125°C.
The capacitance range is 4.7nF to 15nF with a tolerance of ±1% to ±5% for design flexibility.
Murata remains committed to further miniaturization, increased capacitance, and higher voltage ratings in MLCCs, while also reducing environmental impact through efficient resource use, waste reduction, and recycling in manufacturing.
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