Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B43700, B43720
August 2018
© EPCOS AG 2018. 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
High voltage
85
°C
B43700, B43720
Long-life grade capacitors
Applications
Frequency converters
Wind power converters
Solar inverters
Uninterruptible power supplies
Professional power supplies
Features
High reliability and high ripple current capability
All-welded construction ensures reliable electrical contact
PAPR terminals available (Protection Against Polarity Reversal)
Version available with an optimized base cooling design (heat
sink mounting) and featuring up to 2 times the ripple current
capability
RoHS-compatible
Construction
Charge-discharge proof, polar
Aluminum case, insulated with PVC sleeve
Version with PET insulation available upon request
Poles with screw terminal connections
Mounting with ring clips, clamps or threaded stud
Types with threaded stud are available with or without insulated
base
B43700
B43720
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 19
B43700, B43720
High voltage
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
Useful life
1)
85
°C;
V
R
; I
AC,R
d = 51.3 mm: approx. 15 nH
d
≥
64.3 mm: approx. 20 nH
550 ... 600 V DC
1.10 V
R
680 ... 10000 μF
±20%
M
≤
0.20
Requirements:
> 8000 h
ΔC/C
≤
15% of initial value
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
ΔC/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
IEC climatic category
Sectional specification
Max. impedance
ratio at 100 Hz
Z
-25
°
C
/ Z
20
°
C
Z
-40
°
C
/ Z
20
°
C
3
10
To IEC 60068-1:
40/085/56 ( 40
°C/+85 °C/56
days damp heat test)
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
55 A
64.3 mm
71 A
76.9 mm
100 A
90.0 mm
100 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 19
B43700, B43720
High voltage
85
°C
Dimensional drawings
B43700
Ring clip/clamp mounting
B43720
Threaded stud mounting
For standard types with threaded stud 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
(Standard capacitors, without heat sink)
Ter-
minal
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
Dimensions (mm) with insulating sleeve
d
l
±1
l
1
±1
l
2
+0/ 1 d
1
51.6 +0.5/-1
51.6 +0.5/-1
51.6 +0.5/-1
51.6 +0.5/-1
51.6 +0.5/-1
64.3 +0.5/
64.3 +0.5/
64.3 +0.5/
64.3 +0.5/
64.3 +0.5/
64.3 +0.5/
1
1
1
1
1
1
80.7
96.7
105.7
118.2
130.7
80.7
96.7
105.7
118.2
130.7
143.2
87.2
103.2
112.2
125.7
137.2
87.2
103.2
112.2
124.7
137.2
149.7
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)
220
250
280
320
350
370
400
440
510
600
630
d
2
max. a +0.2/ 0.4
10.2
10.2
10.2
10.2
10.2
13.2
13.2
13.2
13.2
13.2
13.2
22.5
22.5
22.5
22.5
22.5
28.5
28.5
28.5
28.5
28.5
28.5
Tolerances of terminal thread respectively stud thread:
Terminal thread M5 and M6: 6H
Thread of stud M12: 6g
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 19
B43700, B43720
High voltage
85
°C
Dimensions and weights
(Standard capacitors, without heat sink)
Ter-
minal
M6
M6
M6
M6
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
76.9 +0.5/
76.9 +0.5/
76.9 +0.5/
76.9 +0.5/
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/
90.0 +0.5/
90.0 +0.5/
1
1
1
1
1
1
1
1
1
1.5
1.5
1.5
1.5
1.5
1.5
96.7
105.7
118.2
130.7
143.1
156.2
168.7
190.7
220.7
97.0
120.0
144.5
170.0
191.0
221.0
102.5
111.5
124.0
136.5
149.0
162.0
174.5
196.5
226.5
102.3
125.3
149.8
175.3
196.3
226.3
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
Approx.
weight (g)
570
620
700
800
840
920
1000
1150
1300
770
100
1200
1400
1650
1900
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
17.7
17.7
17.7
17.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
Tolerances of terminal thread respectively stud thread:
Terminal thread M5 and M6: 6H
Thread of stud M12: 6g
Packing
Capacitor diameter d
(mm)
51.6
64.3
76.9
90.0
Length l
(mm)
all
all
≤
168.7
> 168.7
all
Packing units
(pcs.)
36
25
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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