Robust Y2 capacitors increase rated voltage

October 09, 2018 //By Nick Flaherty
TDK EPCOS MKP B3203 series of Y2 film capacitors
TDK has launched a new series of Y2 capacitors for EMI suppression with higher rated voltages. In contrast to conventional types that are designed for rated voltages of 300 V AC, these new capacitors offer a permissible rated voltage of 350 V AC.

The capacitances of the EPCOS MKP B3203 series range from 4.7 nF to 1.2 µF and are certified to IEC 60384-14:2013/AMD1:2016 and classified in accordance with "Grade III high robustness under high humidity Test B". This is verified by a temperature, humidity, bias (THB) test at 85 °C, 85 % relative humidity and 350 V AC operating voltage, at which a capacitance drop of no more than 10 percent may occur. The maximum operating temperature is 110 °C.

The capacitors are approved in accordance with UL and EN and qualified to AEC-Q200. Depending on their capacitance, they are available with a lead spacing of 15 mm for the B32032, 22.5 mm for the B32033, 27.5 mm for the B32034 and 37.5 mm for the B32036. The case and the epoxy resin sealing comply with UL94 V-0.

Applications include EMI suppression in filters that are subjected to harsh environment conditions and demand higher rated voltages, such as those in photovoltaic inverters or automotive applications.

www.tdk-electronics-tdk.com/emi_capacitors

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