B72225S4681K101 [EPCOS]

RESISTOR, VOLTAGE DEPENDENT, 895V, 940J, THROUGH HOLE MOUNT, RADIAL LEADED;
B72225S4681K101
型号: B72225S4681K101
厂家: EPCOS    EPCOS
描述:

RESISTOR, VOLTAGE DEPENDENT, 895V, 940J, THROUGH HOLE MOUNT, RADIAL LEADED

PC 电阻器
文件: 总24页 (文件大小:466K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
SIOV metal oxide varistors  
Leaded varistors, SuperioR, S25 series  
Series/Type:  
B722*  
Date:  
May 2017  
© EPCOS AG 2017. 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.  
Leaded varistors  
B722*  
SuperioR, S25 series  
Construction  
Round varistor element, leaded  
Coating: epoxy resin, flame-retardant to UL 94 V-0  
Features  
High-energy SuperioR series E4  
Wide operating voltage range 130 … 750 VRMS  
UL approval to UL 1449 (file number E321126 – exception 580 V)  
All types duty cycle @ 6 kV/ 3 kA = >10 pulses, according to IEC 60950-1, Annex Q;  
IEC 61051-2  
Very high surge current rating up to 20 kA  
Approvals  
UL  
CSA  
IEC  
VDE  
Delivery mode  
Bulk (standard)  
For further details refer chapter "Taping, packaging and lead configuration" for leaded  
varistors.  
General technical data  
Climatic category  
Operating temperature  
Storage temperature  
Electric strength  
Insulation resistance  
Response time  
to IEC 60068-1  
to IEC 61051  
40/105/56  
40 ... +105  
40 ... +125  
2.5  
100  
< 25  
°C  
°C  
kVRMS  
MΩ  
ns  
to IEC 61051  
to IEC 61051  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 2 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Electrical specifications and ordering codes  
Maximum ratings (TA = 105 °C)  
Type  
(untaped)  
SIOV-  
VRMS  
V
VDC  
V
imax  
Wmax  
Pmax  
W
Ordering code  
(8/20 µs) (2 ms)  
A
J
B72225S4131K101  
B72225S4141K101  
B72225S4151K101  
B72225S4171K101  
B72225S4231K101  
B72225S4251K101  
B72225S4271K101  
B72225S4301K101  
B72225S4321K101  
B72225S4381K101  
B72225S4421K101  
B72225S4441K101  
B72225S4461K101  
B72225S4511K101  
B72225S4551K101  
B72225S4581K101  
B72225S4621K101  
B72225S4681K101  
B72225S4751K101  
S25K130E4R12 130  
S25K140E4R12 140  
S25K150E4R12 150  
S25K175E4R12 175  
S25K230E4R12 230  
S25K250E4R12 250  
S25K275E4R12 275  
S25K300E4R12 300  
S25K320E4R12 320  
S25K385E4R12 385  
S25K420E4R12 420  
S25K440E4R12 440  
S25K460E4R12 460  
S25K510E4R12 510  
S25K550E4R12 550  
S25K580E4R12 580  
S25K625E4R12 625  
S25K680E4R12 680  
S25K750E4R12 750  
170  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
20000  
185  
195  
215  
245  
315  
345  
375  
410  
445  
600  
700  
710  
720  
750  
780  
800  
855  
940  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
180  
200  
225  
300  
320  
350  
385  
420  
505  
560  
585  
615  
670  
745  
780  
825  
895  
1060  
1025  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 3 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Characteristics (TA = 25 °C)  
Vv  
(1 mA)  
V
Vv  
(1 mA)  
%
vc,max  
(ic)  
V
ic  
Ctyp  
(1 kHz)  
pF  
Ordering code  
A
B72225S4131K101  
B72225S4141K101  
B72225S4151K101  
B72225S4171K101  
B72225S4231K101  
B72225S4251K101  
B72225S4271K101  
B72225S4301K101  
B72225S4321K101  
B72225S4381K101  
B72225S4421K101  
B72225S4441K101  
B72225S4461K101  
B72225S4511K101  
B72225S4551K101  
B72225S4581K101  
B72225S4621K101  
B72225S4681K101  
B72225S4751K101  
205  
220  
240  
270  
360  
390  
430  
470  
510  
620  
680  
715  
750  
820  
910  
940  
1000  
1100  
1200  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
±10  
340  
360  
395  
455  
595  
650  
710  
775  
840  
1025  
1120  
1180  
1240  
1355  
1500  
1580  
1650  
1815  
2000  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
150  
3800  
3550  
3250  
2900  
2250  
2100  
1900  
1750  
1600  
1250  
1150  
1100  
1050  
950  
860  
830  
780  
710  
650  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 4 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Dimensional drawings  
Weight  
Nominal diameter VRMS  
Weight  
mm  
25  
V
g
130 ... 750 5.2 ... 22.2  
The weight of varistors in between these  
voltage classes can be interpolated.  
Dimensions  
[e] ±1  
mm  
a ±1  
mm  
wmax  
mm  
thmax  
mm  
hmax  
mm  
lmin  
mm  
d ±0.05  
mm  
Ordering code  
B72225S4131K101  
B72225S4141K101  
B72225S4151K101  
B72225S4171K101  
B72225S4231K101  
B72225S4251K101  
B72225S4271K101  
B72225S4301K101  
B72225S4321K101  
B72225S4381K101  
B72225S4421K101  
B72225S4441K101  
B72225S4461K101  
B72225S4511K101  
B72225S4551K101  
B72225S4581K101  
B72225S4621K101  
B72225S4681K101  
B72225S4751K101  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
3.4  
3.5  
3.6  
3.8  
4.4  
4.6  
4.9  
5.1  
5.3  
6.0  
6.3  
6.6  
6.8  
7.2  
7.7  
7.9  
8.3  
8.9  
9.4  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
27.5  
5.7  
5.8  
5.9  
6.1  
6.7  
6.9  
7.2  
7.4  
7.6  
8.3  
8.6  
8.9  
9.1  
31.0  
31.0  
31.0  
31.0  
31.0  
31.0  
31.0  
31.0  
31.0  
31.5  
31.5  
31.5  
31.5  
31.5  
32.0  
32.0  
32.0  
32.5  
32.5  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
25.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
1.0  
9.5  
10.0  
10.2  
10.6  
11.2  
11.7  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 5 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Reliability data  
Test  
Test methods/conditions  
Requirement  
Varistor voltage  
The voltage between two terminals with To meet the specified value  
the specified measuring current applied  
is called VV (1 mADC @ 0.2 ... 2 s).  
Clamping voltage  
The maximum voltage between two  
terminals with the specified standard  
impulse current (8/20 µs) applied.  
To meet the specified value  
Endurance at upper  
category temperature  
1000 h at UCT  
|V/V (1 mA)| 10%  
After having continuously applied the  
maximum allowable AC voltage at UCT  
±2 °C for 1000 h, the specimen shall be  
stored at room temperature and normal  
humidity for 1 to 2 h.  
Thereafter, the change of VV shall be  
measured.  
Surge current derating,  
10 surge currents (8/20 µs), unipolar,  
|V/V (1 mA)| 10%  
8/20 µs  
interval 30 s, amplitude corresponding (measured in direction of  
to derating curve for 10 impulses at  
surge current)  
20 µs  
No visible damage  
Surge current derating,  
2 ms  
10 surge currents (2 ms), unipolar,  
interval 120 s, amplitude corresponding  
to derating curve for 10 impulses at  
2 ms  
|V/V (1 mA)| 10%  
(measured in direction of  
surge current)  
No visible damage  
No breakdown  
Electric strength  
IEC 61051-1, test 4.9.2  
Metal balls method, 2500 VRMS, 60 s  
The varistor is placed in a container  
holding 1.6 ±0.2 mm diameter metal  
balls such that only the terminations of  
the varistor are protruding.  
The specified voltage shall be applied  
between both terminals of the specimen  
connected together and the electrode  
inserted between the metal balls.  
Please read Cautions and warnings and  
Page 6 of 24  
Important notes at the end of this document.  
Leaded varistors  
B722*  
SuperioR, S25 series  
Test  
Test methods/conditions  
Requirement  
Climatic sequence  
The specimen shall be subjected to:  
a) dry heat at UCT, 16 h, IEC  
60068-2-2, test Ba  
|V/V (1 mA)| 10%  
Rins 100 MΩ  
b) damp heat, 1st cycle:  
55 °C, 93% r. H., 24 h, IEC  
60068-2-30, test Db  
c) cold, LCT, 2 h, IEC 60068-2-1, test  
Aa  
d) damp heat, additional 5 cycles:  
55 °C/25 °C, 93% r. H., 24 h/cycle,  
IEC 60068-2-30, test Db.  
Then the specimen shall be stored at  
room temperature and normal humidity  
for 1 to 2 h.  
Thereafter, the change of VV shall be  
measured. Thereafter, insulation resis-  
tance Rins shall be measured at V = 500  
V.  
Rapid change of  
temperature  
IEC 60068-2-14, test Na, LCT/UCT,  
dwell time 30 min, 5 cycles  
|V/V (1 mA)| 5%  
No visible damage  
Damp heat, steady state  
IEC 60068-2-78, test Ca  
|V/V (1 mA)| 10%  
The specimen shall be subjected to  
40 ±2 °C, 90 to 95% r. H. for 56 days  
without load / with 10% of the maxi-  
mum continuous DC operating voltage  
VDC. Then stored at room temperature  
and normal humidity for 1 to 2 h.  
Rins 100 MΩ  
Thereafter, the change of VV shall be  
measured. Thereafter, insulation resis-  
tance Rins shall be measured at V = 500  
V (insulated varistors only).  
Please read Cautions and warnings and  
Page 7 of 24  
Important notes at the end of this document.  
Leaded varistors  
B722*  
SuperioR, S25 series  
Test  
Test methods/conditions  
Requirement  
Solderability  
IEC 60068-2-20, test Ta,  
The inspection shall be  
carried out under adequate  
light with normal eyesight or  
with the assistance of a  
magnifier capable of giving  
a magnification of 4 to  
10 times. The dipped  
surface shall be covered  
with a smooth and bright  
solder coating with no more  
than small amounts of  
scattered imperfections  
such as pinholes or  
method 1 with modified conditions for  
lead-free solder alloys: 245 °C, 3 s:  
After dipping the terminals to a depth of  
approximately 3 mm from the body in a  
soldering bath of 245 °C for 3 s, the  
terminals shall be visually examined.  
un-wetted or de-wetted  
areas. These imperfections  
shall not be concentrated in  
one area.  
Resistance to soldering  
heat  
IEC 60068-2-20, test Tb, method 1A,  
260 °C, 10 s:  
|V/V (1 mA)| 5%  
No visible damage  
Each lead shall be dipped into a solder  
bath having a temperature of 260 ±5 °C  
to a point 2.0 to 2.5 mm from the body  
of the specimen, be held there for  
10 ±1 s and then be stored at room  
temperature and normal humidity for  
1 to 2 h.  
The change of VV shall be measured  
and the specimen shall be visually  
examined.  
Tensile strength  
IEC 60068-2-21, test Ua1  
|V/V (1 mA)| 5%  
After gradually applying the force  
specified below and keeping the unit  
fixed for 10 s, the terminal shall be  
visually examined for any damage.  
No break of solder joint,  
no wire break  
Force for wire diameter:  
0.6 mm = 10 N  
0.8 mm = 10 N  
1.0 mm = 20 N  
Please read Cautions and warnings and  
Page 8 of 24  
Important notes at the end of this document.  
Leaded varistors  
B722*  
SuperioR, S25 series  
Test  
Test methods/conditions  
Requirement  
Vibration  
IEC 60068-2-6, test Fc, method B4  
Frequency range: 10 … 55 Hz  
|V/V (1 mA)| 5%  
No visible damage  
Amplitude:  
Duration:  
Pulse:  
0.75 mm or 98 m/s2  
6 h (3 · 2 h)  
sine wave  
After repeatedly applying a single  
harmonic vibration according to the  
table above.  
The change of VV shall be measured  
and the specimen shall be visually  
examined.  
Bump  
IEC 60068-2-29, test Eb  
|V/V (1 mA)| 5%  
Pulse duration:  
6 ms  
No visible damage  
Max. acceleration: 400 m/s2  
Number of bumps:4000  
Pulse:  
half sine  
Fire hazard  
IEC 60695-11-5 (needle flame test)  
Severity: vertical 10 s  
5 s max.  
Note:  
UCT = Upper category temperature  
LCT = Lower category temperature  
Rins = Insulation resistance  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 9 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
v/i characteristics  
v = f (i) - for explanation of the characteristics refer to "General technical information", 1.6.3  
A = Leakage current, B = Protection level } for worst-case varistor tolerances  
SIOV-S25 ... E4R12  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 10 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Derating curves  
Maximum surge current imax = f (tr, pulse train)  
For explanation of the derating curves refer to "General technical information", section 1.8.1  
SIOV-S25 ... E4R12  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 11 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Taping, packaging and lead configuration  
1
EPCOS ordering code system  
For leaded varistors  
B722  
10  
S
2
271  
K
1
0
1
Monolithic  
varistor  
Nominal  
disc diameter  
Design:  
S = Leaded varistor  
T = ThermoFuse  
F = Fail-safe varistor  
Q = EnergetiQ  
Series:  
0 = StandarD  
1 = Automotive  
2 = AdvanceD  
3 = SuperioR  
4 = SuperioR  
Max. AC operating voltage:  
271 = 27 101 = 275 VAC  
140 = 14 100  
=
14 VAC  
141 = 14 101 = 140 VAC  
Tolerance of varistor voltage:  
K = ±10%  
J = ±5%  
S = Special tolerance  
Lead configuration:  
1 = Straight leads  
2 thru 5 = Kinked form  
Packaging:  
0 = Bulk,  
1 thru 7 = Taping style  
Internal coding:  
1 = Standard  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 12 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
2
Taping and packaging of leaded varistors  
Tape packaging for lead spacing  
= 5 fully conforms to IEC 60286-2, while for lead spacings  
= 7.5 and 10 the taping mode is based on this standard.  
2.1  
Taping in accordance with IEC 60286-2 for lead spacing 5.0 mm  
2.2  
Taping based on IEC 60286-2 for lead spacing 7.5 and 10 mm  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 13 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
2.3  
Tape dimensions (in mm)  
Sym-  
bol  
= 5.0 Tolerance  
max.  
= 7.5 Tolerance  
= 10.0 Tolerance Remarks  
w
max.  
max.  
max.  
max.  
see tables in  
each series  
th  
max.  
under  
"Dimensions"  
d
0.6  
±0.05  
±0.3  
0.8  
12.71)  
±0.05  
±0.3  
1.0  
±0.05  
±0.3  
P0  
12.7  
12.7  
±1 mm/20  
sprocket holes  
P1  
F
3.85  
5.0  
0
±0.7  
8.95  
±0.8  
±0.8  
7.7  
±0.8  
±0.8  
+0.6/0.1 7.5  
10.0  
h  
p  
±2.0  
±1.3  
depends on s  
depends on s  
measured at  
top of compo-  
nent body  
0
0
±2.0  
0
±2.0  
W
18.0  
5.5  
±0.5  
18.0  
11.0  
±0.5  
18.0  
11.0  
±0.5  
W0  
min.  
min.  
min.  
Peel-off  
force > 5 N  
W1  
W2  
H
9.0  
3.0  
±0.5  
9.0  
3.0  
+0.75/0.5 9.0  
+0.75/0.5  
max.  
max.  
max.  
3.0  
2)  
3)  
18.0  
16.0  
(18.0)  
32.2  
+2.0/0  
±0.5  
18.0  
16.0  
(18.0)  
45.0  
+2.0/0  
±0.5  
18.0  
16.0  
+2.0/0  
±0.5  
H0  
H1  
D0  
t
max.  
±0.2  
max.  
max.  
max.  
max.  
±0.2  
max.  
max.  
45.0  
4.0  
max.  
±0.2  
max.  
max.  
4.0  
0.9  
11.0  
4.0  
4.0  
0.9  
0.9  
without lead  
L
11.0  
11.0  
l
1) Taping with P0 = 15.0 mm upon request  
2) Applies only to uncrimped types  
3) Applies only to crimped types (H0 = 18 upon request)  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 14 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
2.4  
Taping mode  
5
Example: B72210S0271K1  
1
|
Digit 14  
Digit 14 Taping Reel type  
Seating plane height H0 Seating plane height H Pitch distance  
mode  
for crimped types  
mm  
for uncrimped types  
mm  
P0  
mm  
0
1
2
3
4
5
6
7
Bulk  
G
I
16  
18  
16  
18  
16  
18  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
12.7  
G2  
G3  
G4  
G5  
GA  
G2A  
I
II  
II  
III  
18  
18  
18  
Ammo pack 16  
Ammo pack 18  
Internal coding for special taping  
G6  
III  
II  
18  
16  
18  
12.7  
15.0  
15.0  
15.0  
15.0  
G10  
G11  
18  
II  
G10A Ammo pack 16  
G11A Ammo pack 18  
18  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 15 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
2.5  
Reel dimension  
Dimensions (in mm)  
Reel type  
d
f
n
w
I
360 max.  
360 max.  
500 max.  
31 ±1  
31 ±1  
23 ±1  
approx. 45  
approx. 55  
approx. 59  
54 max.  
64 max.  
72 max.  
II  
III  
If reel type III is not compatible with insertion equipment because of its large diameter, nominal  
disk diameter 10 mm and 14 mm can be supplied on reel II upon request (taping mode G3).  
2.6  
Ammo pack dimensions  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 16 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
3
Lead configuration  
Straight leads are standard for disk varistors. Other lead configurations as crimp style or cus-  
tomer-specific lead wire length according to 3.1, 3.2, 3.3 and 3.4 are optional. Crimped leads  
(non-standard) are differently crimped for technical reasons; the individual crimp styles are denot-  
ed by consecutive numbers (S, S2 through S5) as shown in the dimensional drawings below.  
The crimp styles of the individual types can be seen from the type designation in the ordering ta-  
bles.  
3.1  
Crimp style mode  
5
Example: B72210S0271K  
01  
|
Digit 13  
Digit 13 of ordering code  
Crimp style  
Figure  
1
Standard, straight leads  
1
2
3
4
5
2
S2  
S3  
S4  
S5  
3
4
5
Available upon request  
Internal coding  
6
3.2  
Standard leads and non-standard crimp styles  
Standard, straight leads  
Non-standard,  
crimp style S2  
Non-standard,  
crimp style S3  
Figure 1  
Figure 2  
Figure 3  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 17 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Non-standard, crimp style S4  
Non-standard, crimp style S5  
Figure 4  
Figure 5  
3.3 Component height (hmax) for crimped versions (non-standard)  
Due to technical reasons the component height (hmax) increases if a crimp is added. The maxi-  
mum height of the crimped component can be found in the table below.  
Nominal diameter VRMS  
Crimp style  
hmax  
mm  
mm  
mm  
5
V
11 ... 175  
S2  
S3  
5.0  
5.0  
10.0  
10.0  
5
210 ... 460  
7
7
11 ... 175  
S2  
S3  
5.0  
5.0  
12.0  
12.0  
210 ... 460  
10  
10  
10  
10  
10  
10  
10  
11 ... 300  
320 ... 460  
510  
S5  
7.5  
7.5  
7.5  
7.5  
7.5  
5.0  
5.0  
15.5  
16.5  
17.5  
17.0  
16.0  
16.5  
16.5  
S3/S5  
S3/S5  
S5  
Automotive  
Automotive (D1 types) S5  
11 ... 175  
S4  
S3  
210 ... 460  
14  
14  
14  
14  
14  
11 ... 300  
320 ... 460  
510  
S5  
7.5  
7.5  
7.5  
7.5  
7.5  
20.0  
20.0  
21.5  
21.0  
20.0  
S3/S5  
S3/S5  
S5  
Automotive  
Automotive (D1 types) S5  
20  
20  
11 ... 320  
S5  
S5  
10.0  
10.0  
27.0  
27.5  
385 ... 510  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 18 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
3.4  
Trimmed leads (non-standard)  
Varistors with cut leads available upon request.  
Lead length tolerances:  
Straight leads  
+/1.0 mm  
+/0.8 mm  
3.5 mm  
Crimped leads  
Minimum lead length  
Figure 6  
Please read Cautions and warnings and  
Page 19 of 24  
Important notes at the end of this document.  
Leaded varistors  
B722*  
SuperioR, S25 series  
Cautions and warnings  
General  
1. EPCOS metal oxide varistors are designed for specific applications and should not be used  
for purposes not identified in our specifications, application notes and data books unless oth-  
erwise agreed with EPCOS during the design-in-phase.  
2. Ensure suitability of SIOVs through reliability testing during the design-in phase. SIOVs  
should be evaluated taking into consideration worst-case conditions.  
3. For applications of SIOVs in line-to-ground circuits based on various international and local  
standards there are restrictions existing or additional safety measures required.  
Storage  
1. Store SIOVs only in original packaging. Do not open the package prior to processing.  
2. Storage conditions in original packaging:  
Storage temperature: 25 °C ... +45 °C,  
Relative humidity:  
<75% annual average,  
<95% on maximum 30 days a year.  
is to be avoided.  
Dew precipitation:  
3. Avoid contamination of an SIOV's during storage, handling and processing.  
4. Avoid storage of SIOVs in harmful environments that can affect the function during long-term  
operation (examples given under operation precautions).  
5. The SIOV type series should be soldered within the time specified:  
SIOV-S, -Q, -LS, -B, -SFS  
ETFV and T series  
24 months  
12 months.  
Handling  
1. SIOVs must not be dropped.  
2. Components must not be touched with bare hands. Gloves are recommended.  
3. Avoid contamination of the surface of SIOV electrodes during handling, be careful of the  
sharp edge of SIOV electrodes.  
Soldering (where applicable)  
1. Use rosin-type flux or non-activated flux.  
2. Insufficient preheating may cause ceramic cracks.  
3. Rapid cooling by dipping in solvent is not recommended.  
4. Complete removal of flux is recommended.  
5. Temperatures of all preheat stages and the solder bath must be strictly controlled especially  
for T series (T14 and T20).  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 20 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Mounting  
1. Potting, sealing or adhesive compounds can produce chemical reactions in the SIOV ceramic  
that will degrade the component’s electrical characteristics.  
2. Overloading SIOVs may result in ruptured packages and expulsion of hot materials. For this  
reason SIOVs should be physically shielded from adjacent components.  
Operation  
1. Use SIOVs only within the specified temperature operating range.  
2. Use SIOVs only within the specified voltage and current ranges.  
3. Environmental conditions must not harm SIOVs. Use SIOVs only in normal atmospheric con-  
ditions. Avoid use in deoxidizing gases (chlorine gas, hydrogen sulfide gas, ammonia gas,  
sulfuric acid gas etc), corrosive agents, humid or salty conditions.Contact with any liquids and  
solvents should be prevented.  
Display of ordering codes for EPCOS products  
The ordering code for one and the same EPCOS product can be represented differently in data  
sheets, data books, other publications, on the EPCOS website, or in order-related documents  
such as shipping notes, order confirmations and product labels. The varying representations of  
the ordering codes are due to different processes employed and do not affect the  
specifications of the respective products. Detailed information can be found on the Internet  
under www.epcos.com/orderingcodes  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 21 of 24  
Leaded varistors  
B722*  
SuperioR, S25 series  
Symbols and terms  
Symbol  
C
Term  
Capacitance  
Ctyp  
i
Typical capacitance  
Current  
ic  
Current at which Vc, max is measured  
Leakage current  
Ileak  
imax  
Maximum surge current (also termed peak current)  
Maximum discharge current  
Nominal discharge current  
Lower category temperature  
Typical inductance  
Imax  
In  
LCT  
Ltyp  
Pmax  
Rins  
Rmin  
TA  
Maximum average power dissipation  
Insulation resistance  
Minimum resistance  
Ambient temperature  
tr  
Duration of equivalent rectangular wave  
Upper category temperature  
Voltage  
UCT  
v
Vclamp  
vc, max  
VDC  
Vjump  
vmax  
Vop  
Clamping voltage  
Maximum clamping voltage at specified current ic  
DC operating voltage  
Maximum jump start voltage  
Maximum voltage  
Operating voltage  
VRMS  
VRMS, op, max  
Vsurge  
VV  
AC operating voltage, root-mean-square value  
Root-mean-square value of max. DC operating voltage incl. ripple current  
Super imposed surge voltage  
Varistor voltage  
VV  
WLD  
Wmax  
Tolerance of varistor voltage  
Maximum load dump  
Maximum energy absorption  
Lead spacing  
All dimensions are given in mm.  
The commas used in numerical values denote decimal points.  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 22 of 24  
Important notes  
The following applies to all products named in this publication:  
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 re-  
quirements that are often placed on our products in the areas of application concerned. We  
nevertheless expressly point out that such statements cannot be regarded as binding  
statements about the suitability of our products for a particular customer 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 incum-  
bent on the customer to check and decide whether an EPCOS product with the properties de-  
scribed in the product specification is suitable for use in a particular customer application.  
2. We also point out that in individual cases, a malfunction of electronic components or  
failure before the end of their usual service life cannot be completely ruled out in the  
current state of the art, even if they are operated as specified. In customer applications  
requiring a very high level of operational safety and especially in customer applications in  
which the malfunction or failure of an electronic component could endanger human life or  
health (e.g. in accident prevention or lifesaving systems), it must therefore be ensured by  
means of suitable design of the customer application or other action taken by the customer  
(e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by  
third parties in the event of malfunction or failure of an electronic component.  
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 substances subject to restrictions in certain jurisdictions (e.g.  
because they are classed as hazardous). Useful information on this will be found in our Ma-  
terial Data Sheets on the Internet (www.epcos.com/material). Should you have any more de-  
tailed questions, please contact our sales offices.  
5. We constantly strive to improve our products. Consequently, the products described in this  
publication may change from time to time. The same is true of the corresponding product  
specifications. Please check therefore to what extent product descriptions and specifications  
contained in this publication are still applicable before or when you place an order. We also  
reserve the right to discontinue production and delivery of products. Consequently, we  
cannot guarantee that all products named in this publication will always be available. The  
aforementioned does not apply in the case of individual agreements deviating from the fore-  
going for customer-specific products.  
6. Unless otherwise agreed in individual contracts, all orders are subject to the current ver-  
sion of the "General Terms of Delivery for Products and Services in the Electrical In-  
dustry" published by the German Electrical and Electronics Industry Association  
(ZVEI).  
Page 23 of 24  
Important notes  
7. The trade names EPCOS, CeraCharge, CeraDiode, CeraLink, CeraPad, CeraPlas, CSMP,  
CTVS, DeltaCap, DigiSiMic, ExoCore, FilterCap, FormFit, LeaXield, MiniBlue, MiniCell, MKD,  
MKK, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap, PowerHap, PQSine,  
PQvar, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SiMic, SIMID, SineFormer, SIOV,  
ThermoFuse, WindCap are trademarks registered or pending in Europe and in other coun-  
tries. Further information will be found on the Internet at www.epcos.com/trademarks.  
Page 24 of 24  

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