具体参数以规格书为准

Ceramic transient voltage suppressors
Leaded transient voltage/RFI suppressors (SHCVs)
Series/T*e:
Date: August 2011
© EPCOS AG 2011. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.EPCOS t*e designation system for leaded transient voltage / RFI suppressors
SR 1 S 14 B M 474 X G
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 &plu*n;10%
S Special tolerance
Maximum RMS operating voltage (VRMS):
14 14 V
Special varistor voltage tolerance:
B Special tolerance
Capacitance tolerance:
M &plu*n;20%
Capacitance value:
pF 0.47 µF
Capacitor ceramic:
X X7R
Taping mode:
G Taped version
Bulk
Leaded transient voltage/RFI suppressors (SHCVs)
SHCV series
Page 2 of 29 Please read Cautions and warnings and
Important notes at the end of this document.Features
RFI noise suppression and transient overvoltage protection integrated in a
single component
Reliable protection against automotive transients such as load dump and
jump start (for SR1 and SR2 t*es)
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
*all 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 VRMS and then by case size, which is included in the t*e designation.
General technical data
Maximum RMS operating voltage VRMS,max 14 ... 35 V
Maximum DC operating voltage VDC,max 16 ... 45 V
Maximum surge current (8/20 µs) Isurge,max 100 ... 1200 A
Maximum load dump energy (10 pulses) WLD 1.5 ... 12 J
Maximum jump start voltage (5 min) Vjump 24.5 ... 26 V
Maximum clamping voltage (8/20 µs) Vclamp,max 38 ... 90 V
Nominal capacitance (1 kHz, 0.5 V) Cnom 220 ... 4700 nF
Insulation resistance Rins ≥ 10 M?
Response time tresp < 25 ns
Operating temperature Top 55/ 125 °C
Storage temperature L*/U* 55/ 150 °C
Leaded transient voltage/RFI suppressors (SHCVs)
SHCV series
Page 3 of 29 Please read Cautions and warnings and
Important notes at the end of this document.Temperature derating
Climatic category: 55/ 125 °C
Leaded transient voltage/RFI suppressors (SHCVs)
SHCV series
Page 4 of 29 Please read Cautions and warnings and
Important notes at the end of this document.Electrical specifications and ordering codes
Maximum ratings (Top,max = 125 °C)
T*e Ordering code VRMS,max

SR1K20M105X B72587G3200K
SR1K20M155X B72587H3200K
SR1K20M225X B72587J3200K
SR1K20M474X B72587E3200K
SR2K20M105X B72547G3200K0
SR2K20M474X B72547E3200K0
SR6K20M105X B72527G3200K 700 1.5 8
SR6K35M105X B72527G3350K 400 1.5 8

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