Capacitors with Screw Terminals B43455 Standard 85 C B43457 B43455, B43457 General-purpose grade Applications Uninterruptible power supplies Frequency converters Professional power supplies Features KAL0567-B Compact, i.e. high CU product High reliability and ripple current capability B43455 B43457 All-welded construction ensures reliable electrical contact Version with optimized construction for base cooling (2-pad solution) available Version with low-inductance design available Self-extinguishing electrolyt Construction Charge-discharge proof, polar Aluminum case with insulating sleeve Poles with screw terminal connections Mounting with ring clips, clamps or threaded stud The bases of types with threaded stud and d 76,9 mm are not insulated, types with d = 91 mm have fully insulated bases 117 10/02B43455 / B43457 Standard 85 C Specifications and characteristics in brief Rated voltage U 350 450 VDC R Surge voltage U 1,10 U (for U 350 VDC) S R R Rated capacitance C 470 12 000 F R Capacitance tolerance 20 % M Leakage current I L 0,7 C U R R (5 min, 20 C) I 0,3 A ------- ------- + 4 A L F V Self-inductance ESL Approx. 20 nH Capacitors with low-inductance design: d 64,3 mm: approx. 13 nH Useful life Requirements: 85 C U I~ > 10 000 h C/C 30 % of initial value R R 40 C U 1,5 I~ > 200 000 h ESR 3 times initial specified limit R R I initial specified limit L Failure percentage: 1 % 9 Failure rate: 40 fit ( 40 10 /h) (for definiton fit, refer to chapter Quality, page 62) Voltage endurance test Post test requirements: 85 C U 2 000 h C/C 10 % of initial value R ESR 1,3 times initial specified limit I initial specified limit L Vibration resistance To IEC 60068-2-6, test Fc: displacement amplitude 0,75 mm, frequency range 10 to 55 Hz, acceleration max. 10 g, duration 3 2 h IEC climatic category To IEC 60068-1: 25/085/56 ( 25 C/+ 85 C/56 days damp heat test) Detail specifications Similar to CECC 30301-803, CECC 30301-807 Sectional specification IEC 60384-4 Ripple current capability Due to the ripple current capability of the contact elements, the following current upper limits must not be exceeded: Capacitor diameter 51,6 mm 64,3 mm 76,9 mm 91,0 mm I~ 30 A 40 A 50 A 70 A max 118 10/02