TDK Film Capacitors: Rugged Y2 Capacitors with Higher Rated Voltages

TDK Corporation introduced a new line of EPCOS MKP (metallized polypropylene) Y2 film capacitors for EMI suppression - B3203* series capacitors. Compared to conventional models rated at 300 V AC, the new capacitors are rated for operation up to 350 V AC and have capacitance values ​​ranging from 4.7 nF to 1.2 μF to ensure stable capacitance values ​​under severe environmental conditions.

The new capacitors are certified to IEC 60384-14:2013/AMD1:2016 and are classified according to "Class III Durability Test B under High Humidity Conditions". These capacitors were tested for temperature, humidity, and bias voltage (THB) at ambient temperature of 85 ° C, relative humidity of 85%, and operating voltage of 350 V AC. The results showed that the capacitance decreased by no more than 10%. The new capacitors have a maximum operating temperature of 110 °C.

The new capacitors are UL and EN certified and comply with the AEC-Q200 standard. The pin spacing of different types of capacitors will vary from 15 mm (B32032*), 22.5 mm (B32033*), 27.5 mm (B32034*), or 37.5 mm (B32036*), depending on the capacitance. The enclosure of the capacitor and the epoxy resin seal have a flame retardant rating that meets the requirements of the UL94 V-0 standard.

The new Y2 capacitors can be used for filters that are subject to harsh environmental influences and higher voltage ratings (such as photovoltaic inverters or on-board filters) to suppress electromagnetic interference.

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Author：Brittany Antonia （The author of article owns the copyright.）