LL grade
Compact low-voltage type
For professional power supplies
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 are not insulated
Features
● High reliability
● Extremely good electrical characteristics and small dimensions
● High ripple current capability
● All-welded construction ensures reliable electrical contact
● Type with optimized construction for base cooling upon request
Applications
● General industrial electronics
● For switch-mode power supplies in professional equipment
● For link circuits in converters
Specifications and characteristics in brief
B 41 456
B 41 458
B 41 458B 41 456
Rated voltage
Surge voltage
Rated capacitance
Capacitance tolerance
U
R
U
S
C
16 to 100 V–
1,15 ·
2 200 to 680 000 µF
R
U
R
± 20 % M
Useful life
40 °C,
85 °C,
U
R
U
,I~
R
R
> 200000 h (2,9 ·I~
>12 000 h
R,85 °C
)
Failure percentage≤ 1 %
(during useful life)
Failure rate≤ 40 fit
(≤ 40 · 10–9/h)
Voltage endurance test2 000 h, 85°C
(at
U
)
R
Leakage current
(5 min, 20 °C)
Self-inductance
I
lka
I
0,3 µA
≤4 µA+
lka
L
ESL
approx. 20 nH
C
⋅
------- -
µF
0,7
U
R
R
⋅
------- V
IEC climatic categoryin accordance with IEC 68-1
40/085/56 (–40°C/+85°C, 56 days damp heat test)
74Siemens Matsushita Components
Page 2
Specifications and characteristics in brief
B 41 456
B 41 458
Detail specifications
Sectional specification
Vibration resistancein accordance with IEC 68-2–6, test Fc:
Due to the current load capability of the contact elements, the following current limits must not be
exceeded, even if the frequency and temperature factors have been taken into account:
Capacitor diameter≤ 51,6 mm64,3 mm76,9 mm
Maximum current30 A40 A50 A
Accessories
The following items are included in the delivery package, but are not fastened to the capacitors:
Thread Toothed
For terminals M 5A 5,1 DIN 6797 Cylinder-head screw M 5 × 8 DIN 84-4.82Nm
M 6A 6,4 DIN 6797 Cylinder-head screw M 6 × 12 DIN 85-4.8 2,5 Nm
For mounting M 8J 8,2 DIN 6797Hex nut BM 8 DIN 4394Nm
M 12J 12,5 DIN 6797 Hex nut BM 12 DIN 43910Nm
The following must be ordered separately:
Ring clipsB 44 030 (cf. page 148)
Clamps for capacitors withd≥ 64,3 mmB 44 030 (cf. page 152)
Insulating partsB 44 020 (cf. page 145)
similar to CECC 30 301-810
IEC 384-4
displacement amplitude 0,75 mm, frequency range 10 to 55 Hz,
acceleration max. 10g, duration 3 × 2 h
Screws/NutsMaximum
washers
torque
Siemens Matsushita Components75
Page 3
B 41 456
B 41 458
Dimensional drawings
Type B 41 456Type B 41 458
Ring clip/clamp mountingThreaded stud mounting
M5: min. reach of screw = 8 mm
M6: min. reach of screw = 12 mm
Positive pole marking: +
Screw terminals with UNF threads are available upon request.
Ter-
Dimensions (mm) with insulating sleeveApprox.
minal
dI
M 5
35,7+ 0/– 0,8
M 5
35,7+ 0/– 0,8
M 5
35,7+ 0/– 0,8
M 5
51,6+ 0/– 0,8
M 5
51,6+ 0/– 0,8
± 1
55,7
80,7
105,7
80,7
105,7
I
1
62,2
87,2
112,2
87,2
112,21717
M 564,3+ 0/– 0,8 105,7 112,2 177,0+ 0,2/– 1 M 12 8,213,528,5440
M 6
The capacitance and voltage ratings listed above are available in different cases upon request.
Other voltage and capacitance ratings are also available upon request.
1) To obtain the required ordering code, prefix the type number to the short code. E. g.: B41456-B4229-M
B41456-… (ring clip/clamp mounting)
B41458-… (with threaded stud)
1) To obtain the required ordering code, prefix the type number to the short code. E. g.: B41456-B8478-M
B41456-… (ring clip/clamp mounting)
B41458-… (with threaded stud)
Siemens Matsushita Components79
Page 7
B 41 456
B 41 458
Useful life
versus ambient temperature
I~
I~
R, 85°C
Permissible ripple currentI~
versus frequency
f
T
under ripple current operating conditions
A
1)
d
(mm)35,751,664,376,9
≤ 63 V–aaab
100 V–cdde
1) Refer to page 34 for an explanation on how to interpret the useful life graphs.
80Siemens Matsushita Components
Page 8
B 41 456
B 41 458
Equivalent series resistance
versus frequency
Typical behavior
Impedance
versus frequency
Typical behavior
f
Z
f
R
ESR
d
(mm)35,751,664,376,9
≤ 63 V–aaab
100 V–cdde
Siemens Matsushita Components81
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