Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B43740, B43760
November 2008
© EPCOS AG 2008. 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
Extra long useful life
105
°C
B43740, B43760
Long-life grade capacitors
Applications
Frequency converters
Traction
Professional power supplies
Features
Outstanding reliability
Good thermal characteristics and high ripple current capability
Extra long useful life
Wide temperature range
All-welded constructions ensures reliable electrical contact
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
B43740
B43760
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 18
B43740, B43760
Extra long useful life
105
°C
Specifications and characteristics in brief
Rated voltage V
R
Surge voltage V
S
Rated capacitance C
R
Capacitance tolerance
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
> 6000 h
> 30000 h
> 250000 h
350 ... 450 V DC
1.10 V
R
1000 ... 18000 µF
±20%
M
Requirements:
∆C/C
≤ ±30%
of initial value
ESR
≤
3 times initial specified limit
I
leak
≤
initial specified limit
Post test requirements:
2000 h
∆C/C
≤ ±10%
of initial value
ESR
≤
1.3 times initial specified limit
I
leak
≤
initial specified limit
Vibration resistance test To IEC 60068-2-6, test Fc:
Displacement amplitude 0.75 mm, frequency range 10 ... 55 Hz,
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
Detail specification
Sectional specification
Max. impedance ratio
at 100 Hz
Z
-25
°
C
/ Z
20
°
C
Z
-40
°
C
/ Z
20
°
C
4
10
Useful life
105
°C;
V
R
; I
AC,R
85
°C;
V
R
; I
AC,R
40
°C;
V
R
; 2.0 I
AC,R
Voltage endurance test
105
°C;
V
R
; I
AC.R
To IEC 60068-1: 40/105/56
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
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 18
B43740, B43760
Extra long useful life
105
°C
Dimensional drawings
B43740:
Ring clip/clamp mounting
B43760:
Threaded stud mounting
The base of types with threaded stud and d = 91 mm is fully insulated (the lenghts 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
M5
M5
M5
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
51.6 +0/ 0.8
80.7
51.6 +0/ 0.8 105.7
51.6 +0/ 0.8 118.2
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/
91.0 +0/
91.0 +0/
91.0 +0/
91.0 +0/
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
2
2
2
2
80.7
105.7
118.2
130.7
143.2
105.7
118.2
130.7
143.2
168.7
190.7
220.7
144.5
170.0
191.0
221.0
87.2
112.2
124.7
87,2
112.2
124.7
137.2
149.7
111.5
124.0
136.5
149.0
174.5
196.5
226.5
149.8
175.3
196.3
226.3
17
17
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
M12
M12
Approx.
weight (g)
220
280
320
370
440
510
600
630
620
700
800
840
1000
1150
1300
1200
1400
1650
1900
d
2
max. a +0.2/ 0.4
10.2
10.2
10.2
13.2
13.2
13.2
13.2
13.2
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
17.7
22.2
22.2
22.2
28.5
28.5
28.5
28.5
28.5
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
31.7
Dimensions are also valid for low-inductance design.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 18
B43740, B43760
Extra long useful life
105
°C
Packing
Capacitor
diameter d (mm)
51.6
64.3
lenght l
(mm)
all
all
Packing units
(pcs.)
36
25
Capacitor
diameter d (mm)
76.9
91.0
length l
(mm)
97.0 - 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 18
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