Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B43455, B43457
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
Long useful life
85
°C
B43455, B43457
Long-life grade capacitors
Applications
Frequency converters
Wind power converters
Solar inverters
Uninterruptible power supplies
Professional power supplies
Features
Long useful life
All-welded construction 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
Self-extinguishing electrolyte
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
B43455
B43457
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 19
B43455, B43457
Long useful life
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 ... 450 V DC
1.10 V
R
1000 ... 15000 µF
±20%
M
≤
0.20
Useful life
1)
85
°C;
V
R
; I
AC,R
40
°C;
V
R
; 1.5 I
AC,R
Requirements:
> 10000 h
∆C/C
≤ ±15%
of initial value
> 200000 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
≤
400 V 450 V
4
16
3
12
To IEC 60068-1:
25/085/56 ( 25
°C/+85 °C/56
days damp heat test)
The capacitors can be operated in the temperature range of
40
°C
to +85
°C
but the impedance at 40
°C
should be taken into
consideration.
Similar to CECC 30301-803, CECC 30301-807
IEC 60384-4
Detail specification
Sectional specification
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 19
B43455, B43457
Long useful life
85
°C
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
Dimensional drawings
B43455
Ring clip/clamp mounting
B43457
Threaded stud mounting
51.6 mm
34 A
64.3 mm
45 A
76.9 mm
57 A
91 mm
80 A
The base of types with threaded stud and d = 91 mm is fully insulated (the lengths I and l
1
are
increased 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".
Dimensions and weights
Ter-
minal
M5
M5
M5
M5
M5
M6
M6
M6
M6
Dimensions (mm) with insulating sleeve
d
l
±1
l
1
±1
l
2
+0/ 1 d
1
51.6 +0/ 0.8
80.7
51.6 +0/ 0.8 105.7
64.3 +0/ 0.8
80.7
64.3 +0/ 0.8 105.7
64.3 +0/ 0.8 143.2
76.9 +0/
76.9 +0/
76.9 +0/
76.9 +0/
0.7
0.7
0.7
0.7
105.7
143.2
168.7
220.7
87.2
112.2
87.2
112.2
149.7
111.5
149.0
174.5
226.5
17
17
17
17
17
17
17
17
17
M12
M12
M12
M12
M12
M12
M12
M12
M12
d
2
max. a +0.2/ 0.4
10.2
10.2
13.2
13.2
13.2
17.7
17.7
17.7
17.7
22.2
22.2
28.5
28.5
28.5
31.7
31.7
31.7
31.7
Approx.
weight (g)
220
280
370
440
630
620
840
1000
1300
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 19
B43455, B43457
Long useful life
85
°C
Ter-
minal
M6
M6
Dimensions (mm) with insulating sleeve
d
l
±1
l
1
±1
l
2
+0/ 1 d
1
91.0 +0/ 2
91.0 +0/ 2
144.5
221.0
149.8
226.3
17
17
M12
M12
d
2
max. a +0.2/ 0.4
17.7
17.7
31.7
31.7
Approx.
weight (g)
1200
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
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 19
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