SIOV metal oxide varistors
Leaded varistors, Automotive 42 V series
Series/Type:
Date:
B722*
December 2011
© EPCOS AG 2015. 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
Automotive series for 42 V
B722*
Construction
Round varistor element, leaded
Coating: phenolic resin
Features
Automotive series for 42 V supply systems
This series complies with the electrical requirements for the new
42 V board net as specified in draft standard ISO/TC22 WD42V-1E
Stable protection level, minimum leakage current
High resistance to cyclic temperature stress: 1000 cycles
High operating temperature up to 125
°C
Delivery mode
Bulk (standard), taped versions on reel or in Ammo pack upon request.
For further details refer chapter "Taping, packaging and lead configuration" for leaded
varistors.
General technical data
Climatic category
Operating temperature
Storage temperature
Response time
to IEC 60068-1
40/125/56
40 ... +125
40 ... +150
< 25
°C
°C
ns
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 20
Leaded varistors
Automotive series for 42 V
B722*
Electrical specifications and ordering codes
Maximum ratings (T
A
= 125
°C)
Ordering code
Type
(untaped)
SIOV-
S07V42AUTOS2D1
S10V42AUTOS5D1
S14V42AUTOS5D1
S20V42AUTOS5D1
V
RMS, op, max1)
V
DC
48
48
48
48
V
op, max2)
V
DC
50
50
50
50
V
max, dyn3)
W
max
(2 ms)
V
DC
J
58
58
58
58
3.0
6.4
13.0
37.0
P
max
W
0.02
0.05
0.10
0.20
42-V supply systems
B72207S1390K201
B72210S1390K501
B72214S1390K501
B72220S1390K501
1) Root-mean-square value of max. DC operating voltage incl. ripple
2) Peak value of max. DC operating voltage incl. ripple
3) Max. dynamic overvoltage as per ISO/TC22 WD24V-1E, t
S
≤
400 ms
Characteristics (T
A
= 25
°C)
Ordering code
Type
(untaped)
SIOV-
S07V42AUTOS2D1
S10V42AUTOS5D1
S14V42AUTOS5D1
S20V42AUTOS5D1
V
v
(1 mA)
V
68
68
68
68
∆V
v
(1 mA)
%
±10
±10
±10
±10
v
c,max
(i
c
)
V
135
135
135
135
i
c
A
2.5
5.0
10.0
20.0
C
typ
(1 kHz)
nF
0.90
2.10
3.55
6.75
42-V supply systems
B72207S1390K201
B72210S1390K501
B72214S1390K501
B72220S1390K501
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 20
Leaded varistors
Automotive series for 42 V
B722*
Dimensional drawings
S07V42AUTOS2D1
S10, S14, S20V42AUTOS5D1
Dimensions
Ordering code
B72207S1390K201
B72210S1390K501
B72214S1390K501
B72220S1390K501
Weight
Nominal diameter
mm
7
10
14
20
V
RMS, op, max
V
48
48
48
48
Weight
g
0.5
1.0
2.5
5.0
[e]
±1
mm
5.0
7.5
7.5
10.0
a
±1
mm
1.7
2.0
2.1
2.3
w
max
mm
9.0
12.0
16.0
22.0
th
max
mm
4.1
4.8
4.9
5.5
h
max
mm
12.5
16.0
20.0
27.0
l
min
mm
25.0
25.0
25.0
25.0
d
±0.05
mm
0.6
0.8
0.8
1.0
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 20
Leaded varistors
Automotive series for 42 V
B722*
Reliability data
Test
Varistor voltage
Test methods/conditions
Requirement
The voltage between two terminals with To meet the specified value
the specified measuring current applied
is called V
V
(1 mA
DC
@ 0.2 ... 2 s).
The maximum voltage between two
terminals with the specified standard
impulse current (8/20 µs) applied.
To meet the specified value
Clamping voltage
Max. DC operating voltage MIL STD 202F, method 108A, UCT,
V
DC
, 1000 h
Fast temperature cycling
IEC 60068-2-14, test Na, LCT/UCT,
dwell time 15 min, 100 cycles
for SIOV…AUTO types and dwell time
15 min, 1000 cycles for
SIOV…AUTOD1 types
IEC 60068-2-67, test Cy, 85
°C,
85% r. H., V
DC
, 1000 h
|∆V/V (1 mA)|
≤10%
No visible damage
|∆V/V (1 mA)|
≤5%
No visible damage
Damp heat
|∆V/V (1 mA)|
≤10%
No visible damage
Note:
UCT = Upper category temperature
LCT = Lower category temperature
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 20
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