Capacitors with Screw Terminals Standard – 85 °C B43455, B43457
General-purpose grade Applications
■ Uninterruptible pow...
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...