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Ceramate Technical |
CITATION
SUBJECT
TYPE
SMV1812M□□□KRR
Structure
MODEL
DATE
REV.
PAGE 1/9
Feb. 03, 2009
C01
1. STRUCTURE
NO. ITEM
1.1 Main Material Zinc Oxide
1.2 End termination Ag/Ni/Sn
1.3
Packaging
Reel
1.4
Complies with
Standard
IEC61000-4-5
1.5
Complies with RoHS
Standard
Yes
1.6 Lead content < 1000ppm
Reflow solder profile
1.7
temperature
250 ℃
(Recommend)
1.8 Dimensions
DESCRIPTION
L
W
T(max.)
a
4.50 ± 0.20
3.20 ± 0.20
2.00
0.5+ 0.2/-0.1
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CITATION
SUBJECT
TYPE SMV1812M□□□KRR MODEL
Electrical Characteristics
DATE
REV.
PAGE 2/9
Feb. 03, 2009
C01
2. ELECTRICAL CHARACTERISTICS
N0. ITEM PERFORMANCE
TEST METHODS
Unless otherwise specified, all tests are made
2.0
Standard
Conditions
under environmental conditions as given below:
Temperature:
5~35°C
Relative humidity: 45~85 % RH
2.1
Maximum
Allowable Voltage
2.2 Varistor Voltage
Varistor Voltage
2.3 Temperature
Coefficient
2.4
Max. Clamping
Voltage
AC : *(1) Vrms
DC : *(1) V
V0.1mA : *(1) V
Maximum continuous sine wave(RMS) or DC
voltage which may be applied.
Voltage across the varistor measured at CmA DC.
0 ~ −0.05 %/°C
*(1) V at 1 A
Peak voltage across the varistor with a specified
peak impulse current of 8x20μs waveform.
2.5
Withstanding Surge
Current
*(1) A
The max. current within the varistor voltage
change of less than ±10% when one impulse
current (8x20μs) applied.
2.6 Energy
2.7 Response time
2.8 Leakage current
2.9 Capacitance
*(1) Joule
Trise < 1 nS
I V v <50μΑ
I V v <200μA
*(1) pF.
The max. energy absorbed with a varistor voltage
change of less than ±10% when one impulse
(10x1000μs) is applied.
at V1mA×80%
at V1mA×80% (After Reliability Test)
Capacitance shall be measured at 1 kHz±10%,1
Vrms max.(1 MHz below 100 pF) 0V bias and
20±2℃
*(1) See table 2.1 Electrical Characteristics
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