Capacitors for AC power supplies and AC filtering power electronics introduced by Cornell Dubilier
June 28, 2018
LIBERTY, S.C. – Cornell Dubilier Electronics Inc. in Liberty, S.C., is introducing the 951C and 953B series of metalized polypropylene film capacitors for UPS, AC power supplies, and general AC filtering power electronics applications.
The 951C and 953B offer strong performance for filtering in applications with high ripple currents, and benign end-of-life failure mode is essential. The 951C has a cylindrical body with axial leads, while the 953B has a rugged radial box form factor.
Both capacitors offer a fused, segmented metallization pattern to protect circuits. UL 810 approval assures fail-safe operation under fault conditions.
The metallization pattern is deposited on a low-loss, high-grade polypropylene dielectric. The built-in fuse-links limit capacitance loss to a small segment within the capacitor. This is in contrast to the larger areas of uncontrolled capacitance loss observed with non-segmented types. This capability is not usually available for board-mounted capacitors.
The axial-leaded 951C comes in values ranging from 0.825 to 40 microfarads, while the 953B spans 2.5 to 50 microfarads. Voltage ratings in both series are available at 160, 250, and 275 volts AC. The capacitors operate in temperatures from -40 to 85 degrees Celsius, and meet the requirements of UL 94V-0 for flammability.
Samples of 951C and 953B capacitors are available in 4-6 weeks, production in 8-10 weeks. For more information contact Cornell Dubilier online at www.cde.com.
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