Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B43455, B43457
November 2012
© EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
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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