Ceramic caps – MLCCs – now available safety-certified, at 10nF
Knowles’ brand Syfer has accordingly added to its range of 250V AC X1/Y2 Safety Certified capacitors with a 10nF. In a 2220 case size, these X7R dielectric capacitors offer the user the option of greater total capacitance on the board, or piece part count reduction. For example, they can take the place of 2 x 4.7nF X1/Y2 capacitors connected in parallel to reduce component count, size and weight – leading to a significant reduction in cost. Knowles says this range offers the highest capacitance and widest range available for a class X1/Y2 250VAC surface mount MLCC.
These Safety Certified capacitors comply with international UL and TÜV (UL ongoing) specifications to offer designers the option of using a surface mount ceramic multilayer capacitor to replace leaded film types. They are also available in a FlexiCap version to reduce the risk of mechanical cracking, and are REACH, RoHS and ELV compliant. Now in pre-production, the 10nF, B16 parts have already been by approved by major automotive manufacturers and under review by several others. Applications also include AC-DC power supplies and plug-in charging systems where circuits are connected to mains supply systems and lightning strike or other voltage transients represent a threat.
Knowles Capacitors; www.knowlescapacitors.com
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