U32D LARGE CAN 105 C U32D SERIES Engineering Bulletin Mar 07 U32D Series Large Can Screw Terminals High Ripple 6.3 to 400VDC Voltage Range Dimensions in Inches RoHS Compliant 105 C Maximum Temperature The U32D series allows for extremely high ripple currents for applications such as inverter designs and motor controllers. This series of capacitors offers very large capacitance of up to 2.2F and a maximum temperature rating of 105 C which allows a high operating temperature without sacrificing life. 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: 180F to 2.2F. Voltage range: 6.3 to 400VDC. Category temperature range: 40 Cto 105 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 105 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 1/12Engineering Bulletin Mar 07 U32D Series U32D Specifications - Screw Terminals Item Characteristics Category Temperature Range 40 to 105 C Rated Voltage Range 6.3 to 400VDC Capacitance Range 180 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) 45 C 65 C 85 C 105 C 1.41 1.29 1.00 0.57 Frequency (Hz) DC Rated Voltage Case Diameter 50Hz 120Hz 300Hz 1kHz 10kHz 50kHz 6.3-50V 35-76 0.95 1.00 1.03 1.05 1.09 1.12 35 0.90 1.00 1.06 1.10 1.18 1.22 63-80V 51-76 0.95 1.00 1.03 1.05 1.09 1.12 35 0.82 1.00 1.12 1.22 1.30 1.33 100V 51 0.90 1.00 1.06 1.10 1.18 1.22 63-76 0.95 1.00 1.03 1.05 1.09 1.12 35 0.80 1.00 1.19 1.34 1.46 1.52 160-250V 51-63 0.81 1.00 1.14 1.26 1.36 1.41 76 0.82 1.00 1.12 1.22 1.30 1.33 315-400V 35-89 0.80 1.00 1.19 1.34 1.46 1.52 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 105 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 : 200% of initial specified limit Leakage current : initial specified limit Shelf Test The following specifications shall be satisfied when the capacitors are restored to 25 C after exposing them for 500 hours at 105 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 : 200% of initial specified limit Leakage current : initial specified limit 2/12 United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com U32D LARGE CAN 105 C