EPCOS B43456 User Manual
– 85 °C
B43456, B43458
Long-life grade capacitors
Applications
■ Frequency converters
■ Professional power supplies
■ Uninterruptible power supplies
Features
■ Extremely 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
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
not insulated, types with
d
= 91 mm have fully insulated bases
d
≤ 76,9 mm are
B43456Capacitors with Screw Terminals
B43458Compact
KAL0567-B
B43456 B43458
125 10/02
B43456 / B43458
Compact – 85 °C
Specifications and characteristics in brief
Rated voltage
Surge voltage
U
R
U
S
Rated capacitance
Capacitance tolerance
Leakage current
I
L
(5 min, 20 °C)
Self-inductance
ESL
350 … 450 VDC
1,10 ·
1 000 … 18 000 µF
C
R
± 20 % M
I
≤ 4 µA+
L
Approx. 20 nH
U
R
0,3 µA
C
æö
⋅
-------
èø
µF
0,7
U
R
R
⋅
------V
Capacitors with low inductance design:
d
≥ 64,3 mm: approx. 13 nH
Useful life
U
85 °C;
40 °C;
U
; I~
R
R
; 1,5 · I~
R
R
> 12 000 h
> 250 000 h
Requirements:
∆C/C≤ ± 30 % of initial value
ESR
I
L
Failure percentage: ≤ 1 %
Failure rate: ≤ 40 fit (≤ 40 · 10
(for definiton “fit”, refer to chapter
Voltage endurance test
U
85 °C;
R
2 000 h
Post test requirements:
∆C/C≤ ± 10 % of initial value
ESR
I
L
Vibration resistance To IEC 60068-2-6, test Fc:
displacement amplitude 0,75 mm, frequency range 10 to 55 Hz,
g
acceleration max. 10
, duration 3 × 2 h
IEC climatic category To IEC 60068-1:
U
≤ 400 VDC: 40/085/56 (– 40 °C/+ 85 °C/56 days damp heat test)
R
U
= 450 VDC: 25/085/56 (– 25 °C/+ 85 °C/56 days damp heat test)
R
Detail specifications
Sectional specification
Similar to CECC 30301-803, CECC 30301-807
IEC 60384-4
≤ 3 times initial specified limit
≤ initial specified limit
“Quality”
≤ 1,3 times initial specified limit
≤ initial specified limit
–9
/h)
, page 62)
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
~
max
30 A40 A50 A70 A
126 10/02
B43456 / B43458
Compact – 85 °C
Dimensional drawings
Type B43456 Type B43458
Ring clip/clamp mounting Threaded stud mounting
M5: min. reach of screw = 8 mm
M6: min. reach of screw = 12 mm*)
*) 8 mm for low-inductance design
Positive pole marking: +
The base of types with threaded stud and
d
= 91 mm is fully insulated (the lengths l and
creased by 0,5 mm in these cases). For types with threaded stud and
insulated. Also refer to the notes on mounting given on page 168.
Screw terminals with UNF threads are available upon request.
Dimensions and weights
l
are in-
d
≤ 76 mm the base is not
1
Te r-
Dimensions (mm) with insulating sleeve Approx.
minal
dI
M 5
51,6 +0/–0,8
51,6 +0/–0,8
M 5
M 5 64,3
M 6
76,9
76,9 +0/–0,7
M 6
76,9 +0/–0,7
M 6
M 6
91,0
91,0 +0/–2
M 6
± 1
I
± 1
1
80,7
87,2
105,7
112,21717
+0/–0,8 105,7 112,2 17 7,0 +0,2/– 1 M 12 8,2 13,5 28,5 440
+0/–0,7
105,7
111,5
143,2
149,0
220,7
226,5
+0/–2
144,5
149,8
221,0
226,31717
+ 0
I
l
– 1 – 0,4
2
3
7,0 +0,2/– 1
7,0 +0,2/– 1
17
17
17
+1,1/– 0,8
6,4
6,4 +1,1/– 0,8
6,4 +1,1/– 0,8
6,4 +1,1/– 0,8
6,4 +1,1/– 0,8
d1d
M 12
M 12
M 12
M 12
M 12
M 12
M 12
2
8,2
8,2
17,7
17,7
17,7
17,7
17,7
max
d
3
13,5
13,5
17,7
17,7
17,7
17,7
17,7
max
Dimensions are also valid for 2-pad solution and low-inductance design.
Packing
For ecological reasons the packing is pure cardboard.
d
Capacitor diameter
51,6 mm
64,3 mm
Packing units (pieces) Capacitor diameter dPacking units (pieces)
22
15
76,9 mm
91,0 mm
12
8
127 10/02
+ 0,2
a
22,2
22,2
31,7
31,7
31,7
31,7
31,7
wt. (g)
220
280
540
840
1300
1200
1900
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