Aluminum electrolytic capacitors
Capacitors with screw terminals
Series/Type:
Date:
B41456, B41458
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
Compact
85
°C
B41456, B41458
Long-life grade capacitors
Applications
General industrial electronics
For switch-mode power supplies in professional equipment
Features
High ripple current capability
Compact design
High reliability
Long useful life
All-welded construction ensures reliable electrical contact
Version with low-inductance design available
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
B41456
B41458
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 17
B41456, B41458
Compact
85
°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
Approx. 20 nH
Capacitors with low-inductance design:
d
≥
64.3 mm: approx. 13 nH
16 ... 100 V DC
1.15 V
R
10000 ... 680000 μF
±20%
M
Useful life
1)
85
°C;
V
R
; I
AC,R
40
°C;
V
R
; 2.9 I
AC,R
Requirements:
> 12000 h
ΔC/C
≤
45% of initial value
> 200000 h
ESR
≤
3 times initial specified limit
I
leak
≤
initial specified limit
Voltage endurance test
Post test requirements:
85
°C;
V
R
2000 h
ΔC/C
≤
15% 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:
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:
40/085/56 ( 40
°C/+85 °C/56
days damp heat test)
Similar to CECC 30301-810
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
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 17
B41456, B41458
Compact
85
°C
Dimensional drawings
B41456
Ring clip/clamp mounting
B41458
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
Ter-
minal
M5
M5
M5
M6
M6
M6
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
64.3 +0.5/ 1
76.9 +0.5/ 1
76.9 +0.5/ 1
76.9 +0.5/ 1
80.7
105.7
105.7
105.7
143.2
220.7
87.2
112.2
112.2
111.5
149.0
226.5
17
17
17
17
17
17
M12
M12
M12
M12
M12
M12
Approx.
weight (g)
220
280
440
620
840
1300
d
2
max. a +0.2/ 0.4
10.2
10.2
13.2
17.7
17.7
17.7
22.2
22.2
28.5
31.7
31.7
31.7
Tolerances of terminal thread respectively stud thread:
Terminal thread M5 and M6: 6H
Thread of stud M12: 6g
For low-inductance design the following deviation applies:
d = 64.3 mm: l
1
0.7 mm
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 17
B41456, B41458
Compact
85
°C
Packing
Capacitor diameter d
(mm)
51.6
64.3
76.9
Length l
(mm)
all
all
105.7 - 143.2
220.7
Packing units
(pcs.)
36
25
16
12
For ecological reasons the packing is pure cardboard.
Special designs
Low-inductance design
Insulated base
Length l and l
1
increase by +0.5 mm for types with
threaded stud and insulated base. All other dimensions
of the capacitor are identical with those of standard
capacitors of this series.
Please refer to the table "Dimensions and weights".
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 17
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