Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B41550, B41570
December 2016
© EPCOS AG 2016. 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
SIKOREL
105
°C
B41550, B41570
Long-life grade capacitors
Applications
Highly professional power supplies
Features
Outstanding reliability
Operation at temperatures up to 125
°C
permissible without
insulating sleeve
1)
High ripple current capability
Long useful life
SIKOREL design storage for up to 10 years at a temperature of
up to 35
°C
All-welded construction ensures reliable electrical contact
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
B41550
B41570
1) For
∅
= 51.6 mm: 2500 h, for
∅ ≥
64.3 mm: 5000 h
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 18
B41550, B41570
SIKOREL
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
Useful life
1)
105
°C;
V
R
; I
AC,R
85
°C;
V
R
; I
AC,max
40
°C;
V
R
; 2.4 I
AC,R
40
°C;
V
R
; 2.7 I
AC,R
Voltage endurance test
105
°C;
V
R
; I
AC,R
d = 51.6 mm: approx. 15 nH
d
≥
64.3 mm: approx. 20 nH
d = 51.6 mm d
≥
64.3 mm Requirements:
> 10000 h
> 20000 h
ΔC/C
≤
45% of initial value
> 15000 h
> 25000 h
ESR
≤
3 times initial specified limit
> 200000 h
I
leak
≤
initial specified limit
> 200000 h
Post test requirements:
5000 h
ΔC/C
≤ ±15%
of initial value
ESR
≤
1.3 times initial specified limit
I
leak
≤
initial specified limit
16 ... 100 V DC
1.15 V
R
4700 ... 220000 μF
10/+30% Q
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.
IEC climatic category
Detail specification
Sectional specification
To IEC 60068-1:
55/105/56 ( 55
°C/+105 °C/56
days damp heat test)
Similar to CECC 30301-804
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
B41550, B41570
SIKOREL
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
B41550
Ring clip/clamp mounting
B41570
Threaded stud mounting
51.6 mm
30 A
> 51.6 mm
40 A
For standard 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
Ter-
minal
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
64.3 +0.5/ 1
64.3 +0.5/ 1
76.9 +0.5/ 1
76.9 +0.5/ 1
80.7
80.7
105.7
105.7
143.2
87.0
87.0
112.0
112.0
149.5
17
17
17
17
17
M12
M12
M12
M12
M12
Approx.
weight (g)
220
370
440
620
840
d
2
max. a +0.2/ 0.4
8.2
8.2
8.2
8.2
8.2
22.2
28.5
28.5
31.7
31.7
Tolerances of terminal thread respectively stud thread:
Terminal thread M5: 6H
Thread of stud M12: 6g
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 18
B41550, B41570
SIKOREL
105
°C
Packing
Capacitor diameter d
(mm)
51.6
64.3
76.9
Length l
(mm)
all
all
all
Packing units
(pcs.)
36
25
16
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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