CTVS
Ceramic transient voltage suppressors
SMD multilayer varistors (MLVs),
automotive G series
Series/Type:
Date:
July 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.
Multilayer varistors (MLVs)
Automotive G series
EPCOS type designation system for automotive G series, single chips
CT
Construction:
CT Single chip with
nickel barrier termination
(AgNiSn)
1210
S
14
B
AUTO
G2
_G
EAI case sizes:
0402
0603
0805
1206
1210
1812
2220
Varistor voltage tolerance:
K
±10%,
standard
L
±10%,
standard
S Special tolerance
Maximum RMS operating voltage (V
RMS
):
14 14 V
V
RMS
< 25 V are suitable for 12 V DC supply systems
V
RMS
≥
25 V are suitable for 24 V DC supply systems
Special tolerance for the varistor voltage:
Standard tolerance
A or B Special tolerance
Standard series
AUTO specified for load-dump/ jump-start protection
Taping mode:
G Taped, 180-mm reel, 7''
G2 Taped, 330-mm reel, 13''
_G
Automotive G series
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 51
Multilayer varistors (MLVs)
Automotive G series
Features
Reliable ESD protection up to 30 kV acc. to IEC
61000-4-2, level 4 (8 kV contact, 15 kV air)
High energy absorption capability
Low leakage current
Long-term ESD stability
Bidirectional protection
No temperature derating up to 150
°C
RoHS-compatible, lead-free
Nickel barrier suitable for lead-free soldering
Qualification based on AEC-Q200
PSpice simulation models available
Applications
Transient overvoltage protection in automotive
applications: battery lines, body control units,
ABS/ESP, EPS, DC motors
Design
Multilayer technology
Lead-free glass coating
Flammability rating better than UL 94 V-0
Termination (see “Soldering directions”):
CT types with nickel barrier terminations (AgNiSn),
recommended for lead-free reflow and wave
soldering, and compatible with tin/lead solder.
V/I characteristics and derating curves
V/I and derating curves are attached to the data sheet.
The curves are sorted by V
RMS
and then by case size,
which is included in the type designation.
Single chip
Internal circuit
Available case sizes:
EIA
0603
0805
1206
1210
2220
Metric
1608
2012
3216
3225
5750
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 51
Multilayer varistors (MLVs)
Automotive G series
General technical data
Maximum RMS operating voltage
Maximum DC operating voltage
Maximum surge current
Maximum load dump energy
Maximum jump-start voltage
Maximum clamping voltage
Operating temperature
Storage temperature
Response time
Temperature derating
Climatic category:
for all single chips
55/+150
°C
V
RMS,max
V
DC,max
I
surge,max
W
LD
V
jump
V
clamp,max
T
op
LCT/UCT
t
resp
14 ... 40
16 ... 56
30 ... 1200
1 ... 12
24.5 ... 45
38 ... 110
55/+150
55/+150
< 0.5
V
V
A
J
V
V
°C
°C
ns
(8/20 µs)
(10 pulses)
(5 min)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 51
Multilayer varistors (MLVs)
Automotive G series
Electrical specifications and ordering codes
Maximum ratings (T
op,max
)
Automotive standard series
1)
Type
Ordering code
V
RMS,max
V
DC,max
W
max
(2 ms)
V
V
mJ
14
18
200
14
18
500
14
18
1500
17
22
600
17
22
1700
20
26
700
20
26
1900
25
31
300
25
31
300
25
31
1000
25
31
1700
30
38
300
30
38
1100
30
38
2000
30
38
12000
35
45
400
35
45
2000
40
56
500
P
diss,max
V
V
(1 mA)
mW
V
3
22
8
22
10
22
8
27
10
27
8
33
10
33
3
39
5
39
8
39
10
39
5
47
8
47
10
47
20
47
8
56
10
56
8
68
∆V
V
%
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
CT0603K14G_G
CT1206K14G_G
CT1210K14G_G
CT1206K17G_G
CT1210K17G_G
CT1206K20G_G
CT1210K20G_G
CT0603K25G_G
CT0805K25G_G
CT1206K25G_G
CT1210K25G_G
CT0805K30G_G
CT1206K30G_G
CT1210K30G_G
CT2220K30G_G
CT1206K35G_G
CT1210K35G_G
CT1206K40G_G
B72500G0140K060
B72520G0140K062
B72530G0140K062
B72520G0170K062
B72530G0170K062
B72520G0200K062
B72530G0200K062
B72500G0250K060
B72510G0250K062
B72520G0250K062
B72530G0250K062
B72510G0300K062
B72520G0300K062
B72530G0300K062
B72540G0300K062
B72520G0350K062
B72530G0350K062
B72520G0400K062
1) W
LD
and V
jump
values are not specified for automotive standard series.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 51
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