SIOV metal oxide varistors
Leaded varistors, SuperioR, S25 series
Series/Type:
Date:
B722*
January 2018
© EPCOS AG 2018. 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
SuperioR, S25 series
B722*
Construction
Round varistor element, leaded
Coating: epoxy resin, flame-retardant to UL 94 V-0
Terminals: tinned wire
Features
High-energy SuperioR series E4
Wide operating voltage range 130 … 750 V
RMS
All types duty cycle @ 6 kV/ 3 kA = >10 pulses, according to IEC 62368-1; G.8.2 and IEC
60950-1; Annex Q, IEC 61051-2
UL approval to UL 1449 (file number E321126 – exception 580 V)
Very high surge current rating up to 20 kA
Approvals
UL
CSA
IEC
VDE
Delivery mode
Bulk (standard)
For further details refer to chapter "Taping, packaging and lead configuration" for leaded
varistors.
General technical data
Climatic category
Operating temperature
Storage temperature
Electric strength
Insulation resistance
to IEC 60068-1
to IEC 61051
to IEC 61051
to IEC 61051
40/105/56
40 ... +105
40 ... +125
≥
2.5
≥
100
°C
°C
kV
RMS
MΩ
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 23
Leaded varistors
SuperioR, S25 series
B722*
Electrical specifications and ordering codes
Maximum ratings (T
A
= 105
°C)
i
max
I
n 1)
(8/20 µs) (8/20 µs)
1 time
15 times
V
V
A
A
B72225S4131K101
S25K130E4R12 130
170
20000
10000
B72225S4141K101
S25K140E4R12 140
180
20000
10000
B72225S4151K101
S25K150E4R12 150
200
20000
10000
B72225S4171K101
S25K175E4R12 175
225
20000
10000
B72225S4231K101
S25K230E4R12 230
300
20000
10000
B72225S4251K101
S25K250E4R12 250
320
20000
10000
B72225S4271K101
S25K275E4R12 275
350
20000
10000
B72225S4301K101
S25K300E4R12 300
385
20000
10000
B72225S4321K101
S25K320E4R12 320
420
20000
10000
B72225S4381K101
S25K385E4R12 385
505
20000
10000
B72225S4421K101
S25K420E4R12 420
560
20000
10000
B72225S4441K101
S25K440E4R12 440
585
20000
10000
B72225S4461K101
S25K460E4R12 460
615
20000
10000
B72225S4511K101
S25K510E4R12 510
670
20000
10000
B72225S4551K101
S25K550E4R12 550
745
20000
10000
B72225S4581K101
S25K580E4R12 580
780
20000
10000
B72225S4621K101
S25K625E4R12 625
825
20000
10000
B72225S4681K101
S25K680E4R12 680
895
20000
10000
B72225S4751K101
S25K750E4R12 750
1060
20000
10000
1)
th
Note:
Nominal discharge current I
n
according to UL 1449, 4 edition.
Ordering code
Type
(untaped)
SIOV-
V
RMS
V
DC
W
max
(2 ms)
J
185
195
215
245
315
345
375
410
445
600
700
710
720
750
780
800
855
940
1025
P
max
W
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
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 23
Leaded varistors
SuperioR, S25 series
Characteristics (T
A
= 25
°C)
B722*
Ordering code
B72225S4131K101
B72225S4141K101
B72225S4151K101
B72225S4171K101
B72225S4231K101
B72225S4251K101
B72225S4271K101
B72225S4301K101
B72225S4321K101
B72225S4381K101
B72225S4421K101
B72225S4441K101
B72225S4461K101
B72225S4511K101
B72225S4551K101
B72225S4581K101
B72225S4621K101
B72225S4681K101
B72225S4751K101
V
v
(1 mA)
V
205
220
240
270
360
390
430
470
510
620
680
715
750
820
910
940
1000
1100
1200
∆V
v
(1 mA)
%
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
v
c,max
(i
c
)
V
340
360
395
455
595
650
710
775
840
1025
1120
1180
1240
1355
1500
1580
1650
1815
2000
i
c
A
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
C
typ
(1 kHz)
pF
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 23
Leaded varistors
SuperioR, S25 series
B722*
Dimensional drawings
Weight
Nominal diameter
mm
25
V
RMS
V
Weight
g
130 ... 750 5.2 ... 22.2
The weight of varistors in between these
voltage classes can be interpolated.
Dimensions
Ordering code
B72225S4131K101
B72225S4141K101
B72225S4151K101
B72225S4171K101
B72225S4231K101
B72225S4251K101
B72225S4271K101
B72225S4301K101
B72225S4321K101
B72225S4381K101
B72225S4421K101
B72225S4441K101
B72225S4461K101
B72225S4511K101
B72225S4551K101
B72225S4581K101
B72225S4621K101
B72225S4681K101
B72225S4751K101
[e]
±1
mm
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
a (typical)
mm
3.4
3.5
3.6
3.8
4.4
4.6
4.7
4.8
4.9
5.0
5.2
5.4
5.6
5.8
6.0
6.1
6.2
6.3
6.5
w
max
mm
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
th
max
mm
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
9.5
10.0
10.2
10.6
11.2
11.7
h
max
mm
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
l
min
mm
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
d
±0.05
mm
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
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 23
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