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TDK expands MKP high density series

Posted: 18 Jul 2012 ?? ?Print Version ?Bookmark and Share

Keywords:film capacitors? ESR?

TDK Corp. has expanded the high density series of EPCOS MKP film capacitors with two new voltage classes.

The B32774* to B32778* series of DC link film capacitors are now available for rated voltages of 575V DC and 900V DC. The series covers rated voltages of 450V DC, 575V DC (new), 800V DC, 900V DC (new), 1100V DC, and 1300V DC.

The capacitors offer values ranging from 1F to 110F and are designed for operating temperatures of up to 105C. They feature a current capability of up to 20ARMS at 70C and 10kHz because of their low ESR values of down to less than 2.0m.

The capacitors exhibit minimal capacitance drift over the entire operating life of 200,000hr. The MKP capacitors are self-healing, which significantly reduces the risk of failure even in the event of peaks and overvoltages.

The new voltages provide additional flexibility to circuit designers. Their specifications can now be met more accurately with the smallest possible component and reduced cost without sacrificing reliability.

Due to their very good electrical characteristics, the EPCOS MKP high density series is suitable for use in DC link and DC filtering functions in power converters. Because of their long operating lives, the capacitors can be used in applications with high demands on reliability.

Examples are power supplies in industrial electronics such as photovoltaic inverters, x-ray equipment, LED street lighting, induction cooktops or charging devices.

The capacitors are available with a lead spacing of 27.5mm to 52.5mm for PCB mounting. In addition to the conventional 2-pin designs, 4-pin designs offer enhanced mechanical stability against shocks and vibration so that the capacitors can be used in automotive electronics applications as well.

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