CTVS
Ceramic transient voltage suppressors
Leaded transient voltage/RFI suppressors (SHCVs)
Series/Type:
Date:
February 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 transient voltage/RFI suppressors (SHCVs)
SHCV series
EPCOS type designation system for leaded transient voltage/ RFI suppressors
SR
SR Leaded,
SHCV series
EIA case sizes of used chips:
6 12 x 06 / 3.2 x 1.6 mm
1 18 x 12 / 4.5 x 3.2 mm
2 22 x 20 / 5.7 x 5.0 mm
Varistor voltage tolerance:
K
±10%
S Special tolerance
Maximum RMS operating voltage (V
RMS
):
14 14 V
20 20 V
35 35 V
Special varistor voltage tolerance:
B Special tolerance
Capacitance tolerance:
M
±20%
Capacitance value:
474 47 10
4
pF 0.47 µF
Capacitor ceramic:
X X7R
Taping mode:
G Taped version
Bulk
1
S
14
B
M
474
X
G
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 22
Leaded transient voltage/RFI suppressors (SHCVs)
SHCV series
Features
EMI/ RFI noise suppression and transient overvoltage protection integrated in
a single component
Suppression of transients, caused by sudden interruption of currents
Protection against electrical transients in automotive battery lines
(acc. to ISO 7637-2 and ISO 16750-2)
High capacitance (up to 4.7 µF)
Low clamping voltage
RoHS-compatible
Suitable for lead-free soldering
PSpice simulation models available
Applications
RFI noise suppression and transient overvoltage protection on DC lines of
small motors, windscreen wipers, window lifters, mirrors, central locking,
memory seat, sunroof
Design
Combination of multilayer RF filter capacitor and multilayer varistor
Coating: flame-retardant to UL 94 V0, epoxy resin
Terminals: tinned iron wire, RoHS-compatible
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.
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
Nominal capacitance
Insulation resistance
Response time
Operating temperature
1)
Storage temperature
V
RMS,max
V
DC,max
I
surge,max
W
LD
V
jump
V
clamp,max
C
nom
R
ins
t
resp
T
op
LCT/UCT
14 ... 35
16 ... 45
100 ... 1200
1.5 ... 12
24.5 ... 45
38 ... 90
220 ... 4700
≥
10
< 25
55/+125
55/+150
V
V
A
J
V
V
nF
MΩ
ns
°C
°C
(8/20 µs)
(10 pulses)
(5 min)
(8/20 µs)
(1 kHz, 0.5 V)
1) Operating temperatures above +85
°C
can cause a change in color of the coating material, which has no impact on the reliability of the
components.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 22
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