U36D LARGE CAN 85 C U36D SERIES Engineering Bulletin Mar 07 U36D Series Large Can Screw Terminals High Ripple Up to 550VDC Rated Voltage Dimensions in Inches RoHS Compliant 85 C Maximum Temperature The U36D series is ideal for inverter applications requiring high ripple current capabilities. With a voltage range through 550 volts, the number of capacitors in series can be reduced. The U36D capacitors offer very large capacitance of up to 2.2F and a maximum operating temperature of 85 C. These capacitors are available with a variety of high current English or Metric thread terminals. Mounting options available are a three-footed clamp or bottom stud. (A special order two-footed clamp is also available for selected diameters.) All case size dimensions are based on inches. Custom designs are available upon request. Summary of Specifications Screw terminals: high and low post, English and Metric thread. Capacitance range: 68F to 2.2F. Voltage range: 6.3 to 550VDC. Category temperature range: 40 Cto 85 C. Leakage current: 0.02CV(A) or 5mA, whichever is smaller, after 5 minutes at 25 C. Standard capacitance tolerance: 20% Nominal case size (D L): D = 35mm (1.375) to 89mm (3.500) L = 41mm (1.625) to 220mm (8.625). Rated lifetime: 2,000 hours at 85 C with rated ripple current applied. United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com 1/13Engineering Bulletin Mar 07 U36D Series U36D Specifications - Screw Terminals Item Characteristics Category Temperature Range 40 to 85 C Rated Voltage Range 6.3 to 550VDC Capacitance Range 68 F to 2.2F at 25 C, 120Hz Capacitance Tolerance 20% (M) at 25 C, 120Hz Leakage Current I 0.02CV ( A) or 5mA, whichever is smaller, after 5 minutes at 25 C. Where I = Max. leakage current ( A), C = Nominal capacitance ( F) and V= Rated voltage (V) Rated Ripple Current Multipliers Ambient Temperature ( C) 55 C 65 C 75 C 85 C 2.39 2.22 1.67 1.00 Frequency (Hz) 50Hz 120Hz 300Hz 1kHz 3kHz 0.8 1.0 1.1 1.3 1.4 Endurance The following specifications shall be satisfied when the capacitors are restored to 25 C after (Load Life) subjecting them to DC voltage for 2,000 hours at 85 C with the rated ripple current applied. The sum of the DC voltage and peak AC voltage must not exceed the full rated voltage of the capacitors. Capacitance change: 20% from initial measurement ESR change : 300% of initial specified limit Leakage current : initial specified limit Shelf Life The following specifications shall be satisfied when the capacitors are restored to 25 C after exposing them for 500 hours at 85 C without voltage applied. The rated voltage shall be applied to the capacitors for a minimum of 30 minutes, at least 24 hours and not more than 48 hours before the measurements. Capacitance change: 20% from initial measurement ESR change : 300% of initial specified limit Leakage current : initial specified limit 2/13 United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com U36D LARGE CAN 85 C