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DC link capacitors designed for larger inverter systems

Mon, 06/03/2013 - 1:35pm

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Cornell Dubilier announces availability of its Type 948D high energy density DC link capacitors for larger inverter systems. Type 948D is an excellent choice for DC link applications where high bus voltage, high capacitance and high ripple current are required for smoothing and filtering.

Housed in a plastic rectangular package that is nearly a cube with 6.5 inch sides, Type 948D DC link capacitors offer up to 20% more capacitance in the same size case with lower ESR and higher ripple current ratings than competitive types. Since a fused, segmented metallization pattern is used, Type 948D capacitors offer greater open circuit protection and superior control of capacitance loss than competitive types. The pattern is deposited on a low-loss, high-grade polypropylene dielectric. Built-in fuse links limit capacitance loss to a small segment within the capacitor in lieu of the larger areas of uncontrolled capacitance loss observed with non-segmented types.

Available in 990 to 2700 µF and rms current ratings up to 160A, the Type 948D DC link are offered in voltage ratings ranging from 800 to 1300 Vdc. The heavy duty M10 threaded studs   are used to connect the high current terminals to the inverter's bus.

In OEM quantities, Type 948D capacitors are available with pricing from $75.00. Engineering Samples are available in 4-6 weeks, production in 8-10 weeks.

http://www.cde.com/

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