Capacitors with Screw Terminals
Max. Ripple Current
–
105
°C
B43750, B43770
Long-life grade capacitors
Applications
■
■
■
■
B43750
B43770
Traction
Electric vehicle (Hybrid)
Power electronics
Highly professional power supplies
KAL0567-B
Features
■
■
■
■
■
Max. ripple current capability (up to 100 A)
High reliability
Wide temperature range
All-welded construction ensures reliable electrical contact
No base insulation for max. cooling
(insulated solution “2-pad design” upon request)
■
Version with low-inductance design available
■
Self-extinguishing electrolyte
Construction
■
■
■
■
B43750
B43770
Charge-discharge proof, polar
Aluminum case, partially insulated
Poles with screw terminal connections
Mounting with ring clips, clamps or threaded stud
158
10/02
B43750 / B43770
Max. Ripple Current
–
105 °C
Specifications and characteristics in brief
Rated voltage
U
R
Surge voltage
U
S
Rated capacitance
C
R
Capacitance tolerance
Leakage current
I
L
(5 min, 20 °C)
Self-inductance
ESL
350 … 450 VDC
1,1 ·
U
R
560 … 5 300
µF
±
20 %
M
C
R
U
R 0,7
I
L
≤
0,3
µA ⋅
-------
⋅
-------
+
4
µA
µF
V
d
= 64,3 mm: approx. 14 nH
d
≥
76,9 mm: approx. 18 nH
Capacitors with low-inductance design:
d
≥
64,3 mm: approx. 13 nH
Useful life
105 °C;
U
R
;
I~
R
85 °C;
U
R
;
I~
R
40 °C;
U
R
; 3 ·
I~
R
> 8 000 h
> 40 000 h
> 250 000 h
Requirements:
∆C/C
ESR
I
L
≤ ±
30 % of initial value
≤
3 times initial specified limit
≤
initial specified limit
Failure percentage:
≤
1 %
Failure rate:
≤
20 fit (≤ 20 · 10
–9
/h)
(for definiton “fit”, refer to chapter
“Quality”,
page 62)
Voltage endurance test
125 °C (at
U
R
)
2 000 h
Post test requirements:
∆C/C
ESR
I
L
≤ ±
10 % of initial value
≤
1,3 times initial specified limit
≤
initial specified limit
Vibration resistance
To IEC 60068-2-6, test Fc:
displacement amplitude 0,75 mm, frequency range 10 to 55 Hz,
acceleration max. 10
g,
duration 3
×
2 h
To IEC 60068-1:
25/105/56 (– 25 °C/+ 105 °C/56 days damp heat test)
—
IEC 60384-4
IEC climatic category
Detail specification
Sectional specification
159
10/02
B43750 / B43770
Max. Ripple Current
–
105 °C
Dimensional drawings
Type B43750
Ring clip/clamp mounting
1
Type B43770
Threaded stud mounting
1
d
ød
2
d
1
a
ød
2
_
0,8
6,4
+1,1
2
_
0,8
6,4
+1,1
KAL0226-Q-E
M6: min. reach
screw =
=
mm
*)
M6: Min. reach of
of screw
12
12 mm*)
*)
8 mm for low-inductance design
*)
8 mm for low-inductance design
Positive pole marking:
+
Dimensions and weights
Terminal
M6
M6
M6
M6
M6
M6
M6
Dimensions (mm) with partly insulating sleeve
1)
d
1
d
I
±
0,8
I
1
±
0,8
I
2
+0
–1
64,3
+ 0/– 0,8
64,3
+ 0/– 0,8
76,9
+ 0/– 0,7
76,9
+ 0/– 0,7
91,0
+ 0/– 2
91,0
+ 0/– 2
91,0
+ 0/– 2
80,3
105,3
105,3
142,8
67,1
96,6
144,1
86,0
111,0
111,0
148,5
72,4
101,9
149,4
17
17
17
17
17
17
17
M 12
M 12
M 12
M 12
M 12
M 12
M 12
Approx.
weight (g)
350
450
550
850
600
800
1300
d
2
max
17,7
17,7
17,7
17,7
17,1
17,7
17,7
a
+0,2
–0,4
28,5
28,5
31,7
31,7
31,7
31,7
31,7
Dimensions are also valid for low-inductance design.
Packing
For ecological reasons the packing is pure cardboard.
Capacitor diameter
d
64,3 mm
76,9 mm
91,0 mm
Packing units (pieces)
15
12
8
1) Fully insulated versions available upon request.
160
10/02
a
B43750 / B43770
Max. Ripple Current
–
105 °C
Special designs
■
Low-inductance design
Ordering codes:
Design
Low inductance (13 nH)
Identification in 3rd
block of ordering code
M003
Remark
For capacitors with diameter
d
≥
64,3 mm
Accessories
The following items are included in the delivery package, but are not fastened to the capacitors:
Thread
For terminals
For mounting
M6
M 12
Toothed
washers
A 6,4 DIN 6797
Screws/Nuts
Cylinder-head screw M 6
×
12 DIN 85-4.8
Maximum
torque
2,5 Nm
10
Nm
J 12,5 DIN 6797 Hex nut BM 12 DIN 439
The following must be ordered separately:
Ring clips
Clamps
Insulating parts
B 44 030 (cf. page 169)
B 44 030 (cf. page 173)
B 44 020 (cf. page 166)
161
10/02
B43750 / B43770
Max. Ripple Current
–
105 °C
Overview of available types
U
R
(VDC) 350
C
R
(µF)
560
680
850
1 200
1 300
1 500
1 800
1 900
2 400
2 700
2 900
3 900
5 300
76,9
×
142,8
91,0
×
144,1
76,9
×
105,3
76,9
×
142,8
91,0
×
144,1
91,0
×
67,1
64,3
×
105,3
76,9
×
105,3
76,9
×
142,8
91,0
×
144,1
64,3
×
80,3
64,3
×
80,3
91,0
×
67,1
64,3
×
105,3
Case dimensions
d
×
l
(mm)
64,3
×
80,3
91,0
×
67,1
64,3
×
105,3
76,9
×
105,3
91,0
×
96,6
400
450
The capacitance and voltage ratings listed above are available in different cases upon request.
Other voltage and capacitance ratings are also available upon request.
162
10/02
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