Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B43752, B43772
October 2015
© 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
Extremely high ripple current
105
°C
B43752, B43772
Long-life grade capacitors
Applications
Traction
Power electronics
Professional power supplies
Features
Extremely high ripple current capability
High reliability
Extra long useful life
Wide temperature range
All-welded construction ensures reliable electrical contact
Version available with an optimized base cooling design (heat
sink mounting) and featuring up to 2 times the ripple current
capability
Self-extinguishing electrolyte
RoHS-compatible
Construction
Charge-discharge proof, polar
Aluminum case with insulation sleeve
Poles with screw terminal connections
Mounting with ring clips, clamps or threaded stud
The bases of types with threaded stud are not insulated
B43752
B43772
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 18
B43752, B43772
Extremely high ripple current
105
°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
Useful life
1)
105
°C;
V
R
; I
AC,R
d = 64.3 mm: approx. 14 nH
d
≥
76.9 mm: approx. 18 nH
350 ... 450 V DC
1.1 V
R
560 ... 5600 µF
±20%
M
≤
0.20
Requirements:
> 8000 h
∆C/C
≤
15% of initial value
tan
δ
≤
1.75 times initial specified limit
I
leak
≤
initial specified limit
Voltage endurance test
Post test requirements:
105
°C,
V
R
; I
AC,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.
Max. impedance
Characteristics at low
Z
-25
°
C
/ Z
20
°
C
4
ratio at 100 Hz
temperature
Z
-40
°
C
/ Z
20
°
C
10
IEC climatic category
Sectional specification
To IEC 60068-1:
40/105/56 ( 40
°C/+105 °C/56
days damp heat test)
IEC 60384-4
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 18
B43752, B43772
Extremely high ripple current
105
°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
B43752
Ring clip/clamp mounting
B43772
Threaded stud mounting
64.3 mm
80 A
76.9 mm
84 A
90 mm
84 A
For types with threaded stud the base is not insulated. Also refer to the mounting instructions in
chapter "Capacitors with screw terminals Accessories".
Dimensions and weights
(Standard capacitors, without heat sink)
Ter-
minal
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
M6
Dimensions (mm) with insulating sleeve
d
l
±1
l
1
±1
l
2
+0/ 1 d
1
64.3 +0.5/ 1
64.3 +0.5/ 1
76.9 +0.5/
76.9 +0.5/
76.9 +0.5/
76.9 +0.5/
76.9 +0.5/
90.0 +0.5/
90.0 +0.5/
90.0 +0.5/
90.0 +0.5/
1
1
1
1
1
80.7
105.7
96.7
105.7
118.2
130.7
143.2
86.4
111.4
102.5
111.5
124.0
136.5
149.0
72.8
102.3
111.3
149.8
17
17
17
17
17
17
17
17
17
17
17
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
Approx.
weight (g)
390
470
610
660
740
850
890
590
820
900
1300
d
2
max. a +0.2/ 0.4
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
28.5
28.5
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
1.5 67.5
1.5 97.0
1.5 106.0
1.5 144.5
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 18
B43752, B43772
Extremely high ripple current
105
°C
Packing
Capacitor diameter
d (mm)
64.3
76.9
90.0
length l
(mm)
all
all
all
Packing units
(pcs.)
25
16
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 18
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