S P S E M I
ꢀ ꢁ ꢂ ꢃ
GDT/3SPD Series
Surge Characteristics
Specification
Test Item
Test Method
In the glass tube ends in 8/20 us surge tester, applying the model that
corresponds to the impact resistance current, time interval for the
60 s of plus or minus the test 5 times. Test the dc voltage,
DC spark-over voltage
JSE: Vs/Vs 30%
Surge withstand capability
insulation resistance, static capacitance and check the appearance.
Apply 10KV voltage charged in 1500pF condenser and
apply the current to the specimen,200 times at 10
seconds of intervals.
Within standard mentioned in
Initial Characteristics.
Surge life test
Enviromental Characteristics
Specification
Test Item
Test Method
After -40 3℃
(1000hrs) / room temp.,normal humidity(4 hrs)
cycle, measure the properties.
Within standard mentioned in
Initial Characteristics.
Cold resistance
Heat resistance
After 125 2℃
(1000hrs) / room temp.,normal humidity(4 hrs)
cycle, measure the properties.
Within standard mentioned in
Initial Characteristics.
After 85 2℃
RH85%(1000hrs) / room temp.,normal humidity(4
hrs) cycle, measure the properties.
Within standard mentioned in
Initial Characteristics.
Temperature resistance
Temperature period
Tensile strength
25 times repetition of cycle -40 3℃
(30 Min.),roon temp., (4 Min.), 125 2℃(30Min.),
room temp., normal humidity(4hrs) .
Within standard mentioned in
Initial Characteristics.
Apply 2.5kgs load approximately 30 seconds, then check
for pull-out and breaking of the lead wire.
Within standard mentioned in
Initial Characteristics.
Bend the lead wire, with jig which radius is 0.75~0.8mm, at the point
of 2mm from the body, under 0.25 kgs load applied at the right angle
the direction of theamis and get the bent lead wire back to its
original poing after the procedure was repeated 2times.
Within standard mentioned in
Initial Characteristics.
Bending strength
Apply flux and immerse in molten solder, up to the point of
). Wash
Resistance to soldering
attachment
（by solder dip）
Lead wire is evenly covered by
solder over 90%.
3mm from the body,for 5 sec. (235
5
the leadwire and check for soldering adhesion.
Resistance to soldering
heat
（by solder dip）
Apply flux and immerse in molten solder, up to the point of 3mm
from the body,for 5 sec. (235℃ 5℃). Wash the leadwire
and check forsoldering adhesion.)
Within standard mentioned in
Initial Characteristics.
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