CTVS
Ceramic transient voltage suppressors
SMD multilayer varistors (MLVs),
automotive E series
Series/Type:
Date:
February 2016
© EPCOS AG 2016. 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 E series
EPCOS type designation system for automotive series, single chips
CT
Construction:
CT Single chip with
nickel barrier termination
(AgNiSn)
0603
S
14
B
AUTO
E2
G2
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
(except CT0603S14BAUTOG and CT0805K17AUTOLCG)
Special features:
Standard energy handling capability
E2 Increased energy handling capability
HT High temperature version
LC Low capacitance version
CC Controlled capacitance version
RF Radio frequency
Taping mode:
G Taped, 180-mm reel, 7''
G2 Taped, 330-mm reel, 13''
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 87
Multilayer varistors (MLVs)
Automotive E series
EPCOS type designation system for automotive series, array
CA
Construction:
CA Array with
nickel barrier
termination
(AgNiSn)
05
M2
S
10
T
100
H
G
EAI case sizes:
05 0508 array
M2
Array with two elements
Varistor voltage tolerance:
S Special tolerance
Maximum RMS operating voltage (V
RMS
):
10 10 V
Internal coding
Capacitance value:
100 10 10
0
pF 100 pF
Maximum capacitance matching tolerance:
H 3%
Taping mode:
G Taped, 180-mm reel, 7''
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 87
Multilayer varistors (MLVs)
Automotive E 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: engine management, airbag, control
units, electrohydraulic brake, ABS/ESP, sunroof
Load-dump protection
Jump-start protection
Design
Multilayer technology
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
0402
0603
0805
1206
1210
1812
2220
Metric
1005
1608
2012
3216
3225
4532
5750
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 87
Multilayer varistors (MLVs)
Automotive E series
Description for ESD/ EMI filter array
The ESD/EMI filter array provides an ideal combination of EMI filtering and ESD protection for
high-speed bus system transceivers such as Ethernet and Flexray.
Features
ESD protection acc. to IEC 61000-4-2, level 4
Capacitance deviation between array elements
C
1
and C
2
: < 3%
Max. relative capacitance change: < 0.1%/K
Low leakage current
Load-dump/ jump-start resistant
Stable protection level
Bidirectional protection
No temperature derating up to 125
°C
RoHS-compatible, lead-free
Qualification based on AEC-Q200
Applications
Load-dump protection
Jump-start protection
Design
Two multilayer varistors with a common ground
CT types with nickel barrier terminations (AgNiSn),
recommended for lead-free reflow and wave
soldering, and compatible with tin/lead solder.
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.
2-fold array
Internal circuit
Model of EMI filtering with matched
capacitances C
1
and C
2
Available case sizes:
EIA
0508
Metric
1220
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 87
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