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VOLUME -24 NUMBER 10
Publication Date: 10/1/2009
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October 2009 Issue
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Cornell Dubilier: Medium Power Film Capacitor
New type of film capacitors.
Liberty, SC — Cornell Dubilier has introduced its type 945U medium-power film capacitors for DC filtering. The company describes the capacitor as an excellent choice for DC-link inverter applications needing lower bus capacitance, high ripple current with long life and reliability.
The new capacitor's higher voltage, current ratings and package style allows it to replace aluminum electrolytic capacitors in DC Link applications that can use lower bus capacitance as is typically the case with inverters designed for wind energy, solar and fuel-cell applications supplying the grid. The 945U uses the same package and terminal styles as screw terminal aluminum electrolytics making the transition from aluminum to film an easier one. Capacitor ratings are available up to 500µF at 600V, 320µF at 750V, 220µF at 900V and 160µF at 1000V. The aluminum case is 77mm in diameter, electrically isolated from the capacitor, in heights of 80, 105, 131 and 156mm with 1/4-28 threaded insert terminals with an optional M12 mounting stud on the bottom.
Contact: Cornell Dubilier Electronics, Inc., 1605 East Rodney French Blvd., New Bedford, MA 02744-2294
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