Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B43456, B43458
November 2012
© EPCOS AG 2012. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Capacitors with screw terminals
Extremely compact
85
°C
B43456, B43458
Long-life grade capacitors
Applications
Frequency converters
Wind power converters
Solar inverters
Professional power supplies
Uninterruptible power supplies
Features
High CV product, i.e. extremely compact
High reliability and high ripple current capability
All-welded constructions ensures reliable electrical contact
PAPR terminals available (Protection Against Polarity Reversal)
Version with optimized construction for base cooling
(heat sink mounting) available
Version with low-inductance design available
RoHS-compatible
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
B43456
B43458
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 22
B43456, B43458
Extremely compact
85
°C
Specifications and characteristics in brief
Rated voltage V
R
Surge voltage V
S
Rated capacitance C
R
Capacitance tolerance
Dissipation factor tan
δ
(20
°C,
120 Hz)
Leakage current I
leak
(20
°C,
5 min)
Self-inductance ESL
d = 51.6 mm: approx. 15 nH
d
≥
64.3 mm: approx. 20 nH
Capacitors with low-inductance design:
d
≥
64.3 mm: approx. 13 nH
350 ... 550 V DC
1.10 V
R
560 ... 18000 µF
±20%
M
≤
0.20
Useful life
1)
85
°C;
V
R
; I
AC,R
40
°C;
V
R
; 1.5 I
AC,R
350 ... 450 V 500 ... 550 V Requirements:
> 12000 h
> 8000 h
∆C/C
≤ ±15%
of initial value
> 250000 h > 250000 h tan
δ
≤
1.75 times initial specified limit
I
leak
≤
initial specified limit
Voltage endurance test
Post test requirements:
85
°C;
V
R
2000 h
∆C/C
≤ ±10%
of initial value
tan
δ
≤
1.3 times initial specified limit
I
leak
≤
initial specified limit
Vibration resistance test To IEC 60068-2-6, test Fc: Frequency range 10 ... 55 Hz, displacement
amplitude 0.75 mm, acceleration max. 10
g,
duration 3
×
2 h. Capacitor
mounted by its body which is rigidly clamped to the work surface.
Characteristics at low
temperature
Max. impedance
ratio at 100 Hz
V
R
Z
-25
°
C
/ Z
20
°
C
Z
-40
°
C
/ Z
20
°
C
IEC climatic category
Detail specification
Sectional specification
≤
400 V
≥
450 V
3
7
4
9
500 ... 550 V
3
10
To IEC 60068-1: 40/085/56 ( 40
°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
AC,max
51.6 mm
34 A
64.3 mm
45 A
76.9 mm
57 A
91 mm
80 A
1) Refer to chapter "General technical information, 5 Useful life" on how to interpret useful life.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 22
B43456, B43458
Extremely compact
85
°C
Dimensional drawings
B43456
Ring clip/clamp mounting
B43458
Threaded stud mounting
The base of types with threaded stud and d = 91 mm is fully insulated (the lengths I and l
1
are in-
creased by 0.5 mm in these cases). For types with threaded stud and d
≤
76 mm the base is not
insulated. Also refer to the mounting instructions in chapter "Capacitors with screw terminals
Accessories".
Screw terminals with UNF threads are available upon request.
Dimensions and weights
Ter-
minal
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
Dimensions (mm) with insulating sleeve
d
l
±1
l
1
±1
l
2
+0/ 1 d
1
51.6 +0/
51.6 +0/
51.6 +0/
51.6 +0/
64.3 +0/
64.3 +0/
64.3 +0/
64.3 +0/
64.3 +0/
64.3 +0/
76.9 +0/
76.9 +0/
76.9 +0/
76.9 +0/
76.9 +0/
76.9 +0/
76.9 +0/
0.8
80.7
0.8 105.7
0.8 118.2
0.8 130.7
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
80.7
96.7
105.7
118.2
130.7
143.2
105.7
118.2
130.7
143.2
168.7
190.7
220.7
87.2
112.2
124.7
137.2
87.2
103.2
112.2
124.7
137.2
149.7
111.5
124.0
136.5
149.0
174.5
196.5
226.5
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
d
2
max. a +0.2/ 0.4
10.2
10.2
10.2
10.2
13.2
13.2
13.2
13.2
13.2
13.2
17.7
17.7
17.7
17.7
17.7
17.7
17.7
22.2
22.2
22.2
22.2
28.5
28.5
28.5
28.5
28.5
28.5
31.7
31.7
31.7
31.7
31.7
31.7
31.7
Approx.
weight (g)
220
280
320
350
370
400
440
510
600
630
620
700
800
840
1000
1150
1300
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 22
B43456, B43458
Extremely compact
85
°C
Ter-
minal
M6
M6
M6
M6
Dimensions (mm) with insulating sleeve
d
l
±1
l
1
±1
l
2
+0/ 1 d
1
91.0 +0/
91.0 +0/
91.0 +0/
91.0 +0/
2
2
2
2
97.0
144.5
170.0
221.0
102.3
149.8
175.3
226.3
17
17
17
17
M12
M12
M12
M12
d
2
max. a +0.2/ 0.4
17.7
17.7
17.7
17.7
31.7
31.7
31.7
31.7
Approx.
weight (g)
770
1200
1400
1900
For low-inductance design the following deviation applies:
d = 64.3 mm: l
1
0.7 mm
d = 91.0 mm: l
1
1.7 mm
Packing
Capacitor
diameter d (mm)
51.6
64.3
length l
(mm)
all
all
Packing units
(pcs.)
36
25
Capacitor
diameter d (mm)
76.9
91.0
length l
(mm)
105.7 - 168.7
191.0 - 220.7
all
Packing units
(pcs.)
16
12
9
For ecological reasons the packing is pure cardboard.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 22
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