Film Capacitors for Demanding Applications

TDK Corporation has added two new lines of film capacitors. The new series of EPCOS metallized polypropylene (MFP) film capacitors with high pulse strength and current capability and the EPCOS X1 capacitors designed for an extended operating voltage of up to 530 Vac. Thanks to their use of MFP technology with internal series connection the capacitors in the B32682 through B32686 series are particularly suitable for high voltages from 400Vdc to 2500Vdc. The capacitance range extends from 0.47 nF to 1.5 µF. Their permissible operating temperature is from -55 to +110 degrees C. The new components are available with a lead spacing of between 15 mm and 37.5 mm. Applications for the EPCOS capacitors include switch-mode power supplies or resonant circuits and other applications in which high voltages and currents occur.

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TDK has also added the EPCOS X1 capacitors designed for EMI suppression in X1 circuits (L-N). The types in the B32911 through B32918 series cover a broad capacitance range from 1 nF to 5.6 µF. In addition, they feature a compact design: Their dimensions range from 4.0 mm x 9.0 mm x 13.0 mm to 35 mm x 50 mm x 57.5 mm, depending on the capacitance, with lead spacings of between 10 mm and 52.5 mm. The types with capacitance values of 4.7 µF and 5.6 µF are equipped with 4 pins for improved mechanical stability on the PCB.

The permissible operating temperature range of the X1 capacitors is from -40 to +110 degrees C. Like all EPCOS MKP capacitors, the new types also feature high rated voltages and excellent self-healing properties. The series is certified according to ENEC, UL and CSA. Typical applications include power supplies of all kinds and frequency converters.
 
source: http://www.powerpulse.net/story.php?storyID=32026

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