Richardson RFPD, Inc. announces immediate availability and full design support capabilities for a line of high reliability DC link power film capacitors from Spectrum Advanced Specialty Products ("Spectrum"). The 55DC Link Series is ideally suited for power inverter applications which require superior life expectancy under the harsh operating conditions of wind and photovoltaic installations. The capacitors utilize segmented, self-healing metallized polypropylene for a life expectancy greater than 100,000 hours and feature high capacitance density and ripple current capabilities that make them an ideal replacement for electrolytic capacitors. They offer low Equivalent Series Resistance (ESR) and Equivalent Series Inductance (ESL), are compact and cost effective, and are tested to the environmental specifications of MIL-STD-202.

Key features of the 55DC Link Series include:

  • Capacitance Range: 160 μF to 680 μF standard (others available upon request)
  • Capacitance Tolerance: +/- 10% standard
  • Rated Voltage: 900 to 1300 VDC
  • Operating Temperature Range: -55°C to +85°C standard (+105°C upon special request)
  • Test Voltage Between Terminals: 150% rated voltage for 10 sec
  • Test Voltage Between Terminals and Housing: 5kVDC for 10 sec
  • Enclosure/Construction: aluminum housing, brass terminals with dry resin, UL 94V-0 encapsulant
  • RoHS Compliant

Custom, application-specific designs are welcome, with a variety of terminations and specifications available.

Spectrum high reliability DC link power film capacitors available now include:

  • 55DC-901-321-XX: 900 VDC Rated Voltage, 320 μF Capacitance, 2.1 mOhms ESR, 50 nH ESL
  • 55DC-901-441-XX: 900 VDC Rated Voltage, 440 μF Capacitance, 1.8 mOhms ESR, 60 nH ESL
  • 55DC-901-561-XX: 900 VDC Rated Voltage, 560 μF Capacitance, 2.1 mOhms ESR, 60 nH ESL
  • 55DC-901-681-XX: 900 VDC Rated Voltage, 680 μF Capacitance, 2.5 mOhms ESR, 80 nH ESL
  • 55DC-112-221-XX: 1100 VDC Rated Voltage, 220 μF Capacitance, 2.5 mOhms ESR, 50 nH ESL
  • 55DC-112-281-XX: 1100 VDC Rated Voltage, 280 μF Capacitance, 2.1 mOhms ESR, 50 nH ESL
  • 55DC-112-361-XX: 1100 VDC Rated Voltage, 360 μF Capacitance, 1.9 mOhms ESR, 60 nH ESL
  • 55DC-112-421-XX: 1100 VDC Rated Voltage, 420 μF Capacitance, 2.3 mOhms ESR, 80 nH ESL
  • 55DC-132-161-XX: 1300 VDC Rated Voltage, 160 μF Capacitance, 2.1 mOhms ESR, 50 nH ESL
  • 55DC-132-211-XX: 1300 VDC Rated Voltage, 210 μF Capacitance, 1.9 mOhms ESR, 50 nH ESL
  • 55DC-132-251-XX: 1300 VDC Rated Voltage, 250 μF Capacitance, 2.5 mOhms ESR, 60 nH ESL
  • 55DC-132-321-XX: 1300 VDC Rated Voltage, 320 μF Capacitance, 2.8 mOhms ESR, 80 nH ESL

Common configurations are in stock and available for immediate delivery. To find more information, or to purchase these products today on the Richardson RFPD website, please visit the 55DC Link Series webpage. These capacitors are also available by calling 1-800-737-6937 (within North America); or please find your local sales engineer (worldwide) at Local Sales Support. To learn more about additional products from Spectrum, please visit the Spectrum storefront on the Richardson RFPD website.