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B43457 Datasheet Preview

B43457 Datasheet

(B43455 / B43457) Uninterruptible power supplies

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Capacitors with Screw Terminals
Standard 85 °C
B43455, B43457
General-purpose grade
Applications
Uninterruptible power supplies
Frequency converters
Professional power supplies
Features
Compact, i.e. high CU product
High reliability and ripple current capability
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
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
B43455
B43457
B43455
KAL0567-B
B43457
117 10/02




EPCOS

B43457 Datasheet Preview

B43457 Datasheet

(B43455 / B43457) Uninterruptible power supplies

No Preview Available !

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
Useful life
85 °C; UR; I~R
40 °C; UR; 1,5 · I~R
Voltage endurance test
85 °C; UR
Vibration resistance
IEC climatic category
Detail specifications
Sectional specification
350 … 450 VDC
1,10 · UR (for UR 350 VDC)
470 … 12 000 µF
± 20 % M
IL
0,3
µA
-Cµ----FR--
-U-V---R-- 0,7 +
4
µA
Approx. 20 nH
Capacitors with low-inductance design:
d 64,3 mm: approx. 13 nH
Requirements:
> 10 000 h
> 200 000 h
C/C ≤ ± 30 % of initial value
ESR 3 times initial specified limit
IL initial specified limit
Failure percentage: 1 %
Failure rate:
40 fit (40 · 10–9/h)
(for definiton “fit”, refer to chapter “Quality”, page 62)
Post test requirements:
2 000 h
C/C ≤ ± 10 % of initial value
ESR 1,3 times initial specified limit
IL initial specified limit
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
To IEC 60068-1:
25/085/56 (– 25 °C/+ 85 °C/56 days damp heat test)
Similar to CECC 30301-803, CECC 30301-807
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
I~max
51,6 mm
30 A
64,3 mm
40 A
76,9 mm
50 A
91,0 mm
70 A
118 10/02


Part Number B43457
Description (B43455 / B43457) Uninterruptible power supplies
Maker EPCOS
Total Page 9 Pages
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B43457 Datasheet PDF

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