B41692A5608Q007 [EPCOS]

CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 25V, 6000uF, THROUGH HOLE MOUNT, AXIAL LEADED;
B41692A5608Q007
型号: B41692A5608Q007
厂家: EPCOS    EPCOS
描述:

CAPACITOR, ALUMINUM ELECTROLYTIC, NON SOLID, POLARIZED, 25V, 6000uF, THROUGH HOLE MOUNT, AXIAL LEADED

PC 电容器
文件: 总10页 (文件大小:198K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Aluminum electrolytic capacitors  
For automotive applications,  
axial-lead and soldering star,  
140 °C / 2000 h  
Series/Type:  
B41692/B41792  
Date:  
July 2005  
© EPCOS AG 2005. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the  
information contained therein without EPCOS' prior express consent is prohibited.  
Axial-lead and soldering star  
Aluminum electrolytic capacitors  
The winding element is fixed by the  
corrugation in the middle of the can.  
Tensile strain applied to the tabs by  
vibration stress is eliminated by cor-  
rugated tabs. The lead wire (Ø 1 mm) nector terminal is welded to the case  
withstands high mechanical stress. and so also has negative polarity. A  
winding construction to the axial-lead  
Introduction  
types. The center contact acts as the  
positive pole and the capacitor case  
as the negative pole. The star con-  
Axial-lead (B4169x/B43693) and sol-  
dering star (B4179x/B43793) capaci-  
tors can withstand temperatures up  
to 150 °C and vibrations up to 20 g.  
They are specified for an extended  
useful life, offer outstanding electrical  
performance at high reliability and  
can withstand temperature changes  
specified according to the typical  
automotive requirements.  
The innovative “automotive grade se-  
ries” combines high ripple current  
load and very low ESR with a com-  
pact design.  
Moreover, low ESR and an extended simple mounting method (pick and  
useful life contribute to their high reli- place) is an added advantage of this  
ability and performance. These new  
series from EPCOS have been up-  
graded to operating temperatures of  
150 °C and are designed for typical  
automotive customers’ specifications.  
Soldering star aluminum electrolytic  
capacitors (with a star connector  
terminal) have a comparable internal  
design.  
Soldering star capacitors  
Axial-lead capacitors  
KAL0670-2  
KAL0671-A  
1 mm wires and corrugation for increased vibration stability, enhanced further by soldering star design.  
07/05  
Please read the important notes, cautions and warnings.  
EPCOS AG  
1
Data sheet  
B41692/B41792  
Specifications and characteristics in brief  
Rated voltage VR  
Surge voltage V  
25 … 63 VDC  
1.15 · VR  
surge  
Rated capacitance CR  
Capacitance tolerance  
220 … 6000 µF  
–10/+30% ; Q  
Leakage current I  
(5 min, 20 °C)  
Self-inductance ESL1)  
CR VR  
·
leak  
I
leak 0.006 · µA  
+ 4 µA  
µF ꢁ  
V
Diameter d  
Length  
25 mm  
12 mm  
approx. ESL (nH)  
– / – 22 / 6  
axial / soldering star 21 / 6  
14 mm  
16 mm  
18 mm  
21 mm  
Terminal  
axial / soldering star  
26 / 7  
29 / 8  
33 / 9  
– / –  
– / –  
– / –  
– / –  
30 mm  
24 / 7  
– / –  
34 / 10  
38 / 11  
– / –  
39 mm  
axial / soldering star  
axial  
– / –  
– / –  
45 / –  
50 / –  
49 mm  
– / –  
Useful life  
Requirements:  
150 °C; Vop; 0.5 · I~R  
140 °C; VR; 0.6 · I~R  
125 °C; VR; I~R  
85 °C; VR; I~max  
>
>
>
>
2 000 h  
2 000 h  
5 000 h  
15 000 h  
C/C  
ESR  
±30% of initial value  
3 times initial specified limit  
initial specified limit  
*)  
I
leak  
40 °C; VR; 2 · I~R  
> 500 000 h  
*) Vop: see useful life graph, page 26  
Voltage endurance test  
125 °C; VR  
Post test requirements:  
2 000 h  
C/C  
±10% of initial value  
ESR  
1.3 times initial specified limit  
initial specified limit  
I
leak  
Vibration resistance  
IEC climatic category  
To IEC 60068-2-6, test Fc:  
displacement amplitude 1.5 mm, at 10 Hz … 2 kHz,  
acceleration max. 20 g, duration 3 x 2 h  
To IEC 60068-1:  
55/125/56 (55 °C/+125 °C/56 days damp heat test)  
Detail specification  
Sectional specification  
Similar to CECC 30301-802  
IEC 60384–4  
Features  
Long useful life, 2000 h at up to 140 °C  
Up to 150 °C operating temperature at reduced voltage applied  
Very high ripple current capability  
Miniaturized design  
High vibration resistance  
Shelf life of the capacitor up to 15 years at storage temperatures up to 40 °C. To ensure solderability,  
the capacitors should be built into the application within one year of delivery. After a total of two years’  
storage, the operating voltage must be applied for one hour to ensure the specified leakage current.  
1) If optimum circuit design is used, the values are lower by 30% .  
07/05  
Please read the important notes, cautions and warnings.  
EPCOS AG  
2
Data sheet  
B41692/B41792  
Axial-lead capacitors  
Dimensional drawing  
Dimensions, weights and packing units  
d x l  
(mm)  
dmax x lmax  
(mm)  
Approx. weight Packing units (pieces)  
)
)
40_  
5
40_  
5
*
*
dmax  
(g)  
Pallet  
288  
200  
200  
180  
180  
160  
160  
140  
110  
Reel  
450  
350  
350  
250  
max  
12 x 30  
14 x 25  
14 x 30  
16 x 30  
16 x 39  
18 x 30  
18 x 39  
21 x 39  
21 x 49  
12.5 x 30.5  
14.5 x 25.5  
14.5 x 30.5  
16.5 x 30.5  
16.5 x 40  
5.1  
5.7  
6.8  
Can diameter  
_
max +1.5  
max +4  
<
dmax +0.3 mm,  
8.9  
in the region of  
the curling  
11.7  
11.1  
14.7  
20  
18.5 x 30.5  
18.5 x 40  
) for ø21 mm = 35_5  
1.3+0.1  
*
21.5 x 40  
KAL0524-S  
21.5 x 50  
25  
Soldering star capacitors  
Dimensional drawing  
Dimensions, weights and packing units  
Mounting holes  
d = 12 mm ... 14 mm  
d x l  
(mm)  
dmax x lmax  
(mm)  
c
0.1  
Approx. weight Packing units  
3±0.1  
(mm)  
12.5  
14.5  
14.5  
16.5  
16.5  
18.5  
18.5  
(g)  
(pieces)  
ø1.3+0.1  
12 x 30  
14 x 25  
14 x 30  
16 x 30  
16 x 39  
18 x 30  
18 x 39  
13.5 x 32  
15.5 x 27  
15.5 x 32  
17.5 x 32  
17.5 x 41.5  
19.5 x 32  
19.5 x 41.5  
5.4  
480  
6.1  
7.2  
480  
480  
Mounting holes  
d = 16 mm ... 18 mm  
9.4  
300  
ø1.3+0.1  
12.2  
11.8  
15.4  
200  
300  
˚
200  
0
6
3
3
ø1+_0.04  
0.02  
KAL0666-9  
d = 14 mm  
d = 12 mm  
d = 18 mm  
d = 16 mm  
The PC board hole arrangement  
specified above is based on  
circular arcs.  
If, however, the mounting holes  
have to be matched to a stan-  
dard drilling raster, a spacing of  
1.27 mm (1/20˝ ) has proved to  
be sufficiently accurate if the  
following arrangements are used:  
KAL0357-R  
KAL0359-8  
ø1.5+0.1  
1.27  
KAL0358-Z  
KAL0852-G  
07/05  
Please read the important notes, cautions and warnings.  
EPCOS AG  
3
Data sheet  
B41692/B41792  
Case dimensions and ordering codes  
VR  
CR  
Case dimensions Ordering code  
d x l  
mm  
Axial  
Axial  
reel  
Soldering star  
VDC  
25  
µF  
pallet package  
680  
12 x 30  
14 x 25  
14 x 30  
16 x 39  
18 x 30  
18 x 39  
21 x 39  
21 x 49  
12 x 30  
14 x 30  
16 x 30  
16 x 39  
18 x 30  
18 x 39  
21 x 39  
21 x 49  
12 x 30  
14 x 30  
16 x 30  
16 x 39  
18 x 30  
18 x 39  
21 x 49  
21 x 49  
B41692A5687Q007  
B41692A5108Q007  
B41692A5158Q007  
B41692A5228Q007  
B41692B5228Q007  
B41692A5338Q007  
B41692A5478Q007  
B41692A5608Q007  
B41692A7477Q007  
B41692A7687Q007  
B41692A7108Q007  
B41692A7158Q007  
B41692B7158Q007  
B41692A7228Q007  
B41692A7308Q007  
B41692A7408Q007  
B41692A8227Q007  
B41692A8337Q007  
B41692A8477Q007  
B41692A8687Q007  
B41692B8687Q007  
B41692A8108Q007  
B41692A8158Q007  
B41692A8228Q007  
B41692A5687Q009  
B41692A5108Q009  
B41692A5158Q009  
B41792A5687Q000  
B41792A5108Q000  
B41792A5158Q000  
B41792A5228Q000  
B41792B5228Q000  
B41792A5338Q000  
1000  
1500  
2200  
22001)  
33001)  
47001)  
60001)  
470  
40  
B41692A7477Q009  
B41692A7687Q009  
B41692A7108Q009  
B41792A7477Q000  
B41792A7687Q000  
B41792A7108Q000  
B41792A7158Q000  
B41792B7158Q000  
B41792A7228Q000  
680  
1000  
1500  
15001)  
22001)  
30001)  
40001)  
220  
330  
470  
680  
6801)  
10001)  
15001)  
22001)  
63  
B41692A8227Q009  
B41692A8337Q009  
B41692A8477Q009  
B41792A8227Q000  
B41792A8337Q000  
B41792A8477Q000  
B41792A8687Q000  
B41792B8687Q000  
B41792A8108Q000  
Technical data  
VR  
CR  
ESRtyp ESRmax ESRmax ESRmax Zmax  
I~max  
I~max  
I~max  
I~max  
I~R  
I~max  
100 Hz 100 Hz 100 Hz 100 Hz 10 kHz 100 kHz 10 kHz 10 kHz 10 kHz 10 kHz 10 kHz 10 kHz  
20 °C  
µF  
20 °C  
20 °C  
m  
–40 °C 20 °C  
20 °C  
mΩ  
40 °C  
A
4.6  
5.1  
6.6  
9.6  
9.6  
13.1  
15.6  
19.7  
5.0  
85 °C  
A
4.0  
4.4  
5.8  
8.3  
8.3  
11.3  
13.5  
17.1  
4.4  
5.4  
6.4  
8.8  
8.9  
12.0  
14.0  
17.7  
4.2  
5.3  
6.3  
105 °C 125 °C  
A
3.4  
3.8  
4.9  
7.1  
7.1  
9.7  
11.6  
14.6  
3.7  
4.6  
5.5  
7.5  
7.6  
10.3  
11.9  
15.2  
3.6  
125 °C 140 °C  
A
1.7  
VDC  
25  
mΩ  
mΩ  
1700  
1200  
800  
550  
550  
360  
250  
190  
1400  
1000  
660  
450  
450  
300  
220  
165  
1600  
1100  
750  
510  
510  
430  
290  
200  
mΩ  
175  
125  
85  
A
2.5  
A
680  
1000  
1500  
2200  
22001)  
33001)  
47001)  
60001)  
470  
150  
105  
72  
250  
175  
120  
82  
163  
117  
80  
1.1  
1.3  
1.6  
2.4  
2.4  
3.2  
3.9  
4.9  
1.2  
1.5  
1.8  
2.5  
2.5  
3.4  
4.0  
5.1  
1.2  
1.5  
1.8  
2.4  
2.4  
3.0  
4.3  
4.8  
2.8  
3.7  
5.3  
5.3  
7.2  
8.6  
10.8  
2.8  
3.4  
4.1  
5.6  
5.6  
7.6  
8.9  
11.3  
2.7  
3.4  
4.0  
5.4  
5.4  
6.7  
9.6  
10.6  
1.9  
2.5  
3.7  
3.6  
5.0  
5.9  
7.5  
1.9  
2.4  
2.8  
3.8  
3.9  
5.3  
6.1  
7.8  
1.9  
2.3  
2.8  
3.7  
3.8  
4.6  
6.7  
7.3  
50  
59  
56  
48  
79  
55  
53  
32  
53  
38  
36  
24  
39  
28  
27  
19  
31  
22  
21  
40  
145  
105  
73  
240  
170  
120  
80  
140  
100  
73  
132  
95  
70  
680  
6.2  
7.4  
1000  
1500  
15001)  
22001)  
30001)  
40001)  
220  
330  
470  
680  
6801)  
10001)  
15001)  
22001)  
49  
50  
48  
10.1  
10.2  
13.9  
16.1  
20.5  
4.9  
6.1  
7.3  
9.9  
9.9  
47  
77  
46  
44  
32  
53  
32  
31  
25  
41  
25  
24  
19  
31  
19  
18  
63  
210  
145  
105  
71  
69  
53  
350  
240  
170  
120  
114  
88  
150  
105  
78  
55  
51  
144  
100  
74  
52  
49  
4.6  
5.4  
7.3  
7.3  
9.0  
13.0  
14.3  
8.5  
8.6  
10.6  
15.2  
16.7  
44  
42  
12.2  
17.5  
19.3  
36  
60  
30  
29  
26  
42  
22  
21  
1) Available from 07/2005.  
Please read the important notes, cautions and warnings.  
07/05  
EPCOS AG  
4
Data sheet  
B41692/B41792  
Characteristics  
Useful life  
Useful life  
depending on ambient temperature TA under ripple  
current operating conditions at VR  
depending on case temperature TC under ripple  
current operating conditions at VR  
KAL0970-K  
KAL0971-T  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
4.0  
B41692/792  
B41692/792  
Ι
Ι
~
Ι
Ι
~
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
~
~
R
R
40 50 60 70 80 90 100 110 120 130 140  
˚C 160  
40 50 60 70 80 90 100 110 120 130 140  
˚C 160  
TA  
TC  
Useful life  
Useful life  
depending on ambient temperature TA under ripple  
depending on case temperature TC under ripple  
current operating conditions at V  
current operating conditions at V  
op  
op  
VR = 25 V: V 20 V  
VR = 25 V: V 20 V  
op  
op  
VR = 40 V: V 35 V  
VR = 40 V: V 35 V  
op  
op  
VR = 63 V: V 55 V  
VR = 63 V: V 55 V  
op  
op  
KAL0984-Q  
KAL0985-Y  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
3.0  
B41692/792  
B41692/792  
Ι
Ι
~
Ι
Ι
~
~
~
2.5  
2.0  
1.5  
1.0  
0.5  
0
R
R
40 50 60 70 80 90 100 110 120 130 140  
˚C 160  
TA  
40 50 60 70 80 90 100 110 120 130 140  
˚C 160  
TC  
07/05  
Please read the important notes, cautions and warnings.  
EPCOS AG  
5
Data sheet  
B41692/B41792  
Characteristics  
Frequency factor of permissible ripple current I~  
versus frequency f  
Frequency characteristics of ESR  
at different temperatures  
Typical behavior  
KAL0972-2  
KAL0975-R  
1.2  
3.5  
ESR f  
ESR10 kHz  
Ι
~
f
B41692/792  
B41692/792  
~
Ι
10 kHz  
125 ˚C  
60 ˚C  
0.9  
2.5  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
d
c
b
2.0  
1.5  
1.0  
0.5  
0
20 ˚C  
_ 40 ˚C  
ø [mm]  
12 14 16 18 21  
VR  
25 VDC  
40 VDC  
63 VDC  
c
d
d
b
c
d
b
c
d
b
c
d
b
c
d
102  
5
103  
5
Hz 104  
f
101  
5
102  
5
103  
Hz 104  
f
Equivalent series resistance ESR  
versus frequency at different temperatures  
Typical behavior for 2200 µF/25 V  
Impedance Z  
versus frequency f at different temperatures  
Typical behavior for 2200 µF/25 V  
KAL0974-I  
KAL0973-A  
101  
101  
B41692/792  
B41692/792  
ESR  
Z
100  
100  
5
_55 ˚C  
_55 ˚C  
_40 ˚C  
5
_40 ˚C  
_1  
_1  
10  
5
10  
5
20 ˚C  
60 ˚C  
20 ˚C  
60 ˚C  
_2  
101  
_2  
101  
10  
10  
5 102  
5 103  
5 104 Hz 105  
f
5 102  
5 103  
5 104 Hz 105  
f
07/05  
Please read the important notes, cautions and warnings.  
EPCOS AG  
6
Important notes  
The following applies to all products  
named in this publication:  
tions requiring a very high level of  
publication may change from  
time to time. The same is true of  
the corresponding product speci-  
fications. Please check therefore  
to what extent product descrip-  
tions and specifications contained  
in this publication are still applica-  
ble before or when you place an  
order.  
We also reserve the right to  
discontinue production and  
delivery of products. Conse-  
quently, we cannot guarantee that  
all products named in this publi-  
cation will always be available.  
operational safety and especially  
in customer applications in which  
the malfunction or failure of a pas-  
sive electronic component could  
endanger human life or health  
(e.g. in accident prevention or life-  
saving systems), it must therefore  
be ensured by means of suitable  
design of the customer applica-  
tion or other action taken by the  
customer (e.g. installation of pro-  
tective circuitry or redundancy)  
that no injury or damage is sus-  
tained by third parties in the event  
of malfunction or failure of a pas-  
sive electronic component.  
1. Some parts of this publication  
contain statements about the  
suitability of our products for  
certain areas of application.  
These statements are based on  
our knowledge of typical require-  
ments that are often placed on  
our products in the areas of appli-  
cation concerned. We never-  
theless expressly point out that  
such statements cannot be re-  
garded as binding statements  
about the suitability of our  
products for a particular cus-  
tomer application. As a rule,  
EPCOS is either unfamiliar with  
individual customer applications  
or less familiar with them than the  
customers themselves. For these  
reasons, it is always ultimately  
incumbent on the customer to  
check and decide whether an  
EPCOS product with the proper-  
ties described in the product  
6. Unless otherwise agreed in indi-  
vidual contracts, all orders are  
subject to the current version  
of the “General Terms of De-  
livery for Products and Ser-  
vices in the Electrical Indus-  
try” published by the German  
Electrical and Electronics In-  
dustry Association (ZVEI).  
3. The warnings, cautions and  
product-specific notes must  
be observed.  
4. In order to satisfy certain technical  
requirements, some of the  
products described in this  
publication may contain sub-  
stances subject to restrictions  
in certain jurisdictions (e.g.  
because they are classed as  
“hazardous”). Useful information  
on this will be found in our Materi-  
al Data Sheets on the Internet  
(www.epcos.com/material).  
7. The trade names EPCOS,  
CeraDiode, CSSP, SIMID,  
PhaseCap, PhaseMod, SIFI,  
SIKOREL, SilverCap, SIOV,  
SIP5D, SIP5K, TOPcap,  
specification is suitable for use in  
a particular customer application.  
2. We also point out that in individ-  
ual cases, a malfunction of  
passive electronic compo-  
nents or failure before the end  
of their usual service life can-  
not be completely ruled out in  
the current state of the art,  
even if they are operated as  
specified. In customer applica-  
UltraCap, WindCap are trade-  
marks registered or pending in  
Europe and in other countries.  
Further information will be found  
on the Internet at  
Should you have any more de-  
tailed questions, please contact  
our sales offices.  
www.epcos.com/trademarks.  
5. We constantly strive to improve  
our products. Consequently, the  
products described in this  
07/05  
EPCOS AG  
7
Cautions and warnings  
Personal safety  
The electrolytes used by EPCOS have not only been optimized with a view to the intended application, but also  
with regard to health and environmental compatibility. They do not contain any solvents that are detrimental to  
health, e.g. dimethyl formamide (DMF) or dimethyl acetamide (DMAC).  
Furthermore, part of the high-voltage electrolytes used by EPCOS are self-extinguishing. They contain flame-  
retarding substances which will quickly extinguish any flame that may have been ignited.  
As far as possible, EPCOS does not use any dangerous chemicals or compounds to produce operating elec-  
trolytes. However, in exceptional cases, such materials must be used in order to achieve specific physical and  
electrical properties because no safe substitute materials are currently known. However, the amount of danger-  
ous materials used in our products has been limited to an absolute minimum. Nevertheless, the following rules  
should be observed when handling Al electrolytic capacitors:  
Any escaping electrolyte should not come into contact with eyes or skin.  
If electrolyte does come into contact with the skin, wash the affected parts immediately with running water.  
If the eyes are affected, rinse them for 10 minutes with plenty of water. If symptoms persist, seek medical treat-  
ment.  
Avoid breathing in electrolyte vapor or mists. Workplaces and other affected areas should be well ventilated.  
Clothing that has been contaminated by electrolyte must be changed and rinsed in water.  
Product safety  
Make sure that polar capacitors are connected with the right polarity.  
Voltages polarity clashes should be prevented by connecting a diode.  
Do not damage the insulating sleeve, especially when ring clips are used for mounting.  
Do not exceed the upper category temperature (UCT).  
Make periodic inspections of the capacitors. Before the inspection, make sure that the power supply  
is turned off and carefully discharge the electricity of the capacitors.  
Do not apply any mechanical stress to the capacitor terminals.  
The internal structure of single-ended capacitors may be damaged if excessive force is applied to  
the lead wires.  
Avoid any compressive, tensile or flexural stress.  
Do not move the capacitor after soldering to the PC board.  
Do not pick up the PC board by the soldered capacitor.  
Do not insert the capacitor on the PC board with a hole space different to the lead space specified.  
Do not exceed the specified time or temperature limits during soldering.  
Capacitors should be dipped in solder for less than 10 seconds.  
Do not allow halogenated hydrocarbons to come into contact with aluminum electrolytic capacitors.  
Avoid external energy, such as fire or electricity.  
Avoid overload of the capacitors.  
Failure to follow cautions and warnings may result in the worst case in premature failure, bursting and fire.  
07/05  
EPCOS AG  
8
Product safety  
and characteristics in brief", section  
"Useful life".  
electrolytic capacitors. These sol-  
vents may dissolve or decompose  
the insulating film and reduce the in-  
sulating properties to below the per-  
missible level. The capacitor seals  
may be affected and swell, and the  
solvents may even penetrate them.  
This will lead to premature compo-  
nent failure.  
Polarity  
Make sure that polar capacitors are  
connected with the right polarity. If  
the opposite polarity were to be ap-  
plied, this would cause an electrolyt-  
ic process resulting in the formation  
of a dielectric layer on the cathode  
foil. In this case strong internal heat  
generation and gas emission may  
occur and destroy the capacitor.  
Polar capacitors do not tolerate a  
voltage reversal. Incorrect polarities  
of up to 1.5 V are, however, permis-  
sible for short periods of time as the  
formation of a damaging oxide layer  
on the cathode only starts at volt-  
ages of this magnitude.  
Maintenance  
Make periodic inspections for the  
capacitors that have been used in  
the devices for industrial applica-  
tions. Before the inspection, make  
that the power supply is turned off  
Because of this, measures must be  
and carefully discharge the electricity taken to prevent electrolytic capaci-  
of the capacitors. To check the  
capacitors, make sure of the polarity  
when measuring the capacitors by  
using a volt-ohm meter, for instance.  
Also, do not apply any mechanical  
stress to the capacitor terminals.  
The following items should be  
tors from coming into contact with  
the solvents when using halogenat-  
ed hydrocarbon solvents to clean  
printed circuit boards after soldering  
the components, or to remove flux  
residues. If it is not possible to pre-  
vent the electrolytic capacitors from  
checked by the periodic inspections. being wetted by the solvent, halo-  
Significant damage to appearances:  
venting, electrolyte leakage, etc.  
Electrical characteristics: leakage  
gen-free solvents must be used in  
order to eliminate the possibility of  
damage.  
Reverse voltage  
Aluminum electrolytic capacitors are  
polar capacitors. Where necessary,  
voltages of opposite polarity should  
be prevented by connecting a  
diode. The diodes conducting-state  
voltage of approximately 0.8 V is  
permissible. Reverse voltages 1.5 V  
are tolerable for a duration of less  
than 1 second, but not in continu-  
ous or repetitive operation.  
current, capacitance, tan and other  
characteristics prescribed in the  
catalogs or product specifications.  
If any of the above is found, replace  
it or take any other proper measure.  
Halogenated hydrocarbons may  
cause serious damage if allowed to  
come into contact with aluminum  
electrolytic capacitors.  
Passive flammability  
Under the influence of high external  
energy, such as fire or electricity, the  
flammable parts may get inflamed.  
Clause 38 of the relevant specifica-  
tion CECC 30000 (Harmonized  
System of Quality Assessment for  
Electronic Components; Generic  
Specification: Fixed Capacitors)  
refers to IEC Publication 695-2-2  
(Needle Flame Test) for testing the  
passive flammability of capacitors.  
And in CECC 30000, severities and  
requirements for different categories  
of flammability are listed. Most of  
aluminum electrolytic capacitors  
meet the requirements of category C.  
Mounting position  
Breakdown strength of  
insulating sleeves  
An overpressure vent ensures that  
the gas can escape when the pres-  
sure reaches a certain level.  
To prevent electrolyte from leaking  
out when the gas is “vented”, the  
capacitor should be mounted in an  
upright position (90°). All of these  
mounting positions are intended to  
avoid a vent-down installation of the  
capacitor.  
The minimum breakdown strength of  
the insulating sleeve is 2500 VAC or  
3500 VDC. A test method for verifying  
the breakdown strength of the slee-  
ves is described in IEC 60384-4.  
In order to ensure full breakdown  
strength, care must be taken not to  
damage the insulating sleeve, espe-  
cially when ring clips are used for  
mounting. The insulation can be im-  
proved by using an insulating strip.  
In such cases, attention must be  
paid to any relevant regulations  
Active flammability  
In rare cases the component may  
ignite caused by heavy overload or  
some capacitor defect. One reason  
could be the following: During the  
operation of an aluminum electrolytic  
capacitor with nonsolid electrolyte,  
there is a small quantity of hydrogen  
developed in the component. Under  
normal conditions, this gas perme-  
ates easily out of the capacitor. But  
under exceptional circumstances,  
higher gas amounts may develop  
and may catch fire if a sparking  
would occur at the same time.  
As explained above a fire risk can’t  
be totally excluded. Therefore, it is  
recommended to use special mea-  
sures in critical applications (e.g. ad-  
ditional encapsulation of the equip-  
ment for mining applications).  
Mounting of single-ended  
capacitors  
(e.g. VDE, BSA or UL regulations).  
For further information see page 67.  
Upper category tempera-  
ture (UCT)  
Soldering  
Excessive time or temperature dur-  
ing soldering will affect capacitors  
characteristics and cause damage  
to the insulation sleeve. Capacitors  
should be dipped in solder for less  
than 10 seconds. Contact of the  
sleeve with soldering iron must be  
avoided.  
The upper category temperature is  
the maximum permissible ambient  
temperature at which a capacitor  
may be continuously operated. If  
this limit is exceeded, the capacitor  
may fail prematurely.  
For some type series, however, op-  
eration at temperatures above the  
UCT is permissible for short periods  
of time. The maximum permissible  
operating temperatures are specified  
in the data sheets for the individual  
type series under "Specifications  
Soldering, cleaning agents  
Halogenated hydrocarbons may  
cause serious damage if allowed to  
come into contact with aluminum  
07/05  
EPCOS AG  
9

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