SMV1206M Datasheet, PDF (4/9 Pages) Ceramate Technical – Zinc Oxide

CITATION
SUBJECT
TYPE
SMV1206M□□□KRR
Reliability
MODEL
DATE
REV.
PAGE 4/9
Feb. 03, 2009
C01
3. ENVIRONMENTAL CHARACTERISTICS
No. Characteristic
Test method and description
The specimen shall be subjected to 150 ± 2℃ for 1000 ± 12 hours in a thermostatic bath
3.1 ^{High Temperature without load and then stored at room temperature and humidity for 1 to 2 hours.}
Storage
The change of varistor voltage shall be within 10﹪.
The temperature cycle of specified
temperature shall be repeated five times
and then stored at room temperature and
3.2 Temperature Cycle _{humidity for one or two hours. The}
change of varistor voltage shall be within
10﹪and mechanical damage shall be
Step
1
2
3
4
Temperature
-40±3℃
Room Temperature
125±2℃
Room Temperature
Period
30Min±3
1~2 hours
30Min±3
1~2 hours
After being continuously applied the maximum allowable voltage at 85 ± 2℃ For 1000± 2
High Temperature
3.3
hours, the specimen shall be stored at room temperature and humidity for one or two
Load
hours, the change of varistor voltage shall be within 10﹪.
The specimen should be subjected to 40 ± 2℃, 90 to 95%RH environment, and the
Damp Heat Load/
3.4
maximum allowable voltage applied for 1000 hours, then stored at room temperature
Humidity Load
and humidity for one or two hours. The change of varistor voltage shall be within 10%.
The specimen should be subjected to -40 ± 2℃, without load for 500 hours and then
3.5 ^{Low Temperature stored at room temperature for one or two hours. The change of varistor voltage shall be}
Storage
within 10﹪
4. TECHNICAL TERM
No.
Item
4.1 ^{Operating Temperature}
Range
4.2 ^{Storage Temperature}
Range
4.3 ^{Transient Response}
Time
Specifications
-40℃ to +85℃
-40℃ to +125℃
< 50 ns
Description
Operating temperature range without derating.
Storage temperature range without voltage applied.
Time lag between application of surge and varistor's
"turn-on" conduction action.