DC-link film capacitor series for filters, inverters and drives

July 24, 2014 //By Graham Prophet
DC-link film capacitor series for filters, inverters and drives
AVX’ FRC series medium power DC-link film capacitors, available in range of capacitance and voltage values in addition to their (film capacitor) self-healing properties are designed for use in DC filter circuits, power supplies, industrial inverters, UPS systems, motor drives, power converters, and solar inverters.

FRC series capacitors are comprised of dry, wound, metallised polypropylene film dielectric encased in a size A, self-extinguishing, cylindrical plastic case sealed with thermosetting resin and featuring four snap-in terminals that facilitate easy mounting to PCBs.

FRC series capacitors are available in nine voltages spanning 400V-1500V, two tolerances (±5% and ±10%), two lead lengths (4 mm and 8 mm), and with capacitance values spanning 4.7 µF to 35 µF. Housed in size A cylindrical cases measuring 54 mm (L) x 36 mm (OD) x 5.1 mm (P1), the series is rated for operating temperatures spanning -40°C to +105°C and exhibits long lifetime performance of 100,000 hours at rated voltage and 70°C. The wide capacitance and voltage range coupled with their self-healing capabilities and snap-in terminals provide design engineers with additional high performance, high reliability capacitor solutions, the company says.

Unlike aluminium electrolytic capacitors, polypropylene film capacitors do not have a catastrophic failure mode. Instead, these capacitors experience a parametric loss of capacitance of approximately 5% from their initial value, eliminating the risk of short circuit and enabling continued functionality.

AVX; www.avx.com

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