SBE Releases UL-recognized Power Ring Series

SBE, Inc., a leading manufacturer of film capacitors, announced today the launch of a new, UL-recognized 777D series of Power Ring Film CapacitorsTM. The 777D series is the UL-recognized version of the proven 700D Power Ring series. Its release furthers SBE’s commitment to providing the highest performing, longest lasting DC link film capacitors.

With an unmatched life expectancy, both the 700D and the 777D series of Power Ring DC link capacitors are unparalleled in providing exceptional filtering and smoothing for the demanding requirements of wind, solar, electric vehicle, motor drives and UPS inverter applications” says Dr. Michael Brubaker, SBE’s Chief Technology Officer.

Available from 500µF to 1500µF, the 777D series is offered in voltage ratings from 600 to 1500Vdc.

Although many of our customers already use the 700D series of Power Ring capacitors in their UL-certified power conversion devices, the release of the 777D series will make UL certification for new customer products that much easier to achieve” adds Brubaker.

Data sheets for the complete 777D Power Ring series will be published over the next few weeks. In the meantime, you can download the 777D103 datasheet (pdf link) as an example of the new UL-recognized part series. For more information, please refer to the 700D series of parts for capacitance and voltage combinations.

More to come…. SBE has brought the Power Ring technology to a new level by developing integrated capacitor/bus structure solutions. SBE anticipates UL recognition of a series of integrated bus/capacitor solutions for DC link applications no later than the middle of November. “Our integrated solutions combine the long life and unparalleled low inductance advantages of the Power Ring with an optimized bus structure, which allows our customers to push switch modules closer to their rated voltage and significantly reduce costs” says Ed Sawyer, SBE president and CEO.

For an example of SBE’s integrated capacitor/bus technology, you can download the  Solar application 700A163 datasheet (pdf link).

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