Knowles Brand Syfer Releases 500Vac Rated Surge & Safety MLCCs

Knowles brand Syfer is now offering MLCC’s, for non- safety critical applications, up to 500V ac, 50/60 Hz continuous. Syfer pioneered 250V ac rated MLCC’s for non-safety critical applications to complement its range of industry standard DC rated and market leading TUV / UL qualified class X & Y surge and safety MLCCs. The non-safety range offered MLCC’s rated for 250V ac 50/60 Hz with an increased capacitance range compared to the safety approved range, suitable for applications where the rigorous safety approvals were not necessary.

In response to customer demands, the company is now able to offer an extended solution for non-safety critical applications up to 500Vac 60 Hz continuous where extended capacitance values are required, up to 47 nF. They are suitable for use in 440V ac & 480V ac 3-phase type industrial electronics applications where a 500Vac rating would give a comfortable margin.

The launch range is 10 nF maximum in case size 1812, to a maximum of 47 nF in case of size 2220 – other values will follow but smaller case sizes will not due to electro-mechanical issues with such high voltages. Whilst not qualified to any external specification, the range does include a surge impulse rating of 1 kV (1.2x50µS).

The inclusion of the new range now gives Knowles the largest range of ac rated MLCC’s in the market, including 250Vac & 500Vac non-safety as well as their qualified surge & safety range which offers the highest value class Y2 MLCC available today.

Knowles

  • Country: United States
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