TYPE
MODEL
PAGE
4/9
SMV1210M□□□KRR
CITATION
SUBJECT
DATE Feb. 03, 2009
C01
Reliability
REV.
3. ENVIRONMENTAL CHARACTERISTICS
Test method and description
for 1000 12 hours in a thermostatic bath
without load and then stored at room temperature and humidity for 1 to 2 hours.
The change of varistor voltage shall be within 10
No.
3.1
Characteristic
The specimen shall be subjected to 150
±
2
℃
±
High Temperature
Storage
﹪
.
The temperature cycle of specified
Step
Temperature
-40
Period
30Min±3
temperature shall be repeated five times
and then stored at room temperature and
humidity for one or two hours. The
1
2
3
4
±3
℃
Room Temperature
125
Room Temperature
1~2 hours
30Min
1~2 hours
3.2
Temperature Cycle
±2
℃
±3
change of varistor voltage shall be within
10
﹪and mechanical damage shall be
After being continuously applied the maximum allowable voltage at 85
±
2
℃
F
or 1000
hours, the specimen shall be stored at room temperature and humidity for one or two
hours, the change of varistor voltage shall be within 10
The specimen should be subjected to 40 , 90 to 95
maximum allowable voltage applied for 1000 hours, then stored at room temperature
and humidity for one or two hours. The change of varistor voltage shall be within 10
The specimen should be subjected to -40 , without load for 500 hours and then
stored at room temperature for one or two hours. The change of varistor voltage shall be
within 10
± 2
High Temperature
Load
3.3
3.4
3.5
﹪
.
±
2
℃
%RH environment, and the
Damp Heat Load/
Humidity Load
%
.
± 2℃
Low Temperature
Storage
﹪
4. TECHNICAL TERM
No.
4.1
Item
Specifications
Description
Operating Temperature
Range
Operating temperature range without derating.
-40℃ to +85℃
-40℃ to +125℃
< 50 ns
Storage Temperature
Range
Storage temperature range without voltage applied.
4.2
4.3
Transient Response
Time
Time lag between application of surge and varistor's
"turn-on" conduction action.
CERAMATE [ CERAMATE TECHNICAL ]
