Zinc Oxide
Description
TYPE CITATION SUBJECT
SMV1812M□□□KRR Structure
MODEL DATE REV.
PAGE
1/9
Feb.
03, 2009
C01
1.
STRUCTURE
NO.
1.
1 1.
2 1.
3 1.
4 1.
5 1.
6 1.
7 ITEM Main Material End termination Packaging Complies with Standard Zinc Oxide Ag/Ni/Sn Reel IEC61000-4-5 DESCRIPTION
Complies with RoHS Yes Standard Lead content < 1000ppm Reflow solder profile 250 ℃ temperature (Recommend)
L W T(max.
) 4.
50 ± 0.
20 3.
20 ± 0.
20 2.
00 0.
5+ 0.
2/-0.
1
1.
8
Dimensions
a
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TYPE CITATION SUBJECT
SMV1812M□□□KRR Electrical Characteristics
MODEL DATE REV.
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2/9
Feb.
03, 2009
C01
2.
ELECTRICAL CHARACTERISTICS
N0.
2.
0 ITEM Standard Conditions Maximum Allowable Voltage Varistor Voltage Varistor Voltage Temperature Coefficient Max.
Clamping Voltage AC : *(1) Vrms DC : *(1) V V0.
1mA : *(1) V 0 ~ −0.
05 %/°C *(1) V at 1 A Peak voltage across the varistor with a specified peak impulse current of 8x20μs waveform.
The max.
current within the varistor voltage change of less than ±10% when one impulse current (8x20μs) applied.
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℃
PERFORMANCE
2.
1 2.
2 2.
3 2.
4
TEST METHODS Unless otherwise specified, all tests are made under environmental conditions as given below: Temperature: 5~35°C Relative humidity: 45~85 % RH Maximum continuous sine wave(RMS) or DC voltage which may be applied.
Voltage across the varistor measured at CmA DC.
Withstanding Surge 2.
5 Current
*(1) A
2.
6 2.
7 2.
8 2.
9
Energy Response time Leakage current Capacitance
*(1) Joule
Trise < 1 nS I Vv I Vv
<50μΑ <200μA
*(1) pF.
*(1) See table 2.
1 Electrical Characteristics
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TYPE CITATION SUBJECT
SMV1812M□□□KRR
Electrical Characteristics
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3/9
Feb.
03, 2009
C01
Table 2.
1 Electrical Characteristics Maximum Part Varistor Allowa...
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