B43457

Capacitors with Screw Terminals Standard – 85 °C B43455, B43457 General-purpose grade Applications ■ Uninterruptible power supplies ■ Frequency converters ■ Professional power supplies B43455 B43457 Features ■ Compact, i.e. high CU product ■ High reliability and ripple current capability ■ All-welded construction ensures reliable KAL0567-B B43455 B43457 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 www.DataSheet4U.com ■ 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 10/02 B43455 / B43457 Standard – 85 °C Specifications and characteristics in brief Rated voltage UR Surge voltage US Rated capacitance CR Capacitance tolerance Leakage current IL (5 min, 20 °C) Self-inductance ESL 350 … 450 VDC 1,10 · UR (for U R ≥ 350 VDC) 470 … 12 000 µF ± 20 % M C R U R 0,7 I L ≤ 0,3 µ A ⋅  ------- ⋅ ------- + 4 µ A µF V  Approx. 20 nH Capacitors with low-inductance design: d ≥ 64,3 mm: approx. 13 nH Useful life 85 °C; UR; I~R 40 °C; UR; 1,5 · I~R > 10 000 h > 200 000 h Requirements: ∆C /C ESR IL ≤ ± 30 % of initial value ≤ 3 times initial specified limit ≤ initial specified limit Failure percent...