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6.PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
No
Item
Condition of Test
Performance
Requirements
6.1 Humidity
Keep the resonator at 40±2℃ and 90-95% RH It shall fulfill
for 96±4 hours. Then Release the resonator into the
the room Condition for 1 hour prior to the specifications
Measurement.
in Table 1.
6.2 Vibration
Subject the resonator to vibration for 2 hours It shall fulfill
each in x、y and z axis With the amplitude of the
1.5mm, the frequency shall be varied uniformly specifications
between the limits of 10 Hz—55Hz.
in Table 1.
6.3 Mechanical
Shock
Drop the resonator randomly onto a wooden It shall fulfill
floor from the height of 100cm 3 times.
the
specifications
in Table 1.
6.4 Soldering
Test
Passed through the re-flow oven under the It shall fulfill
following condition and left at room the
temperature for 1 hour before measurement.
specifications
in Table 1.
Temperature at the surface of the
substrate
Time
Preheat 150±5℃
60±10
sec
Peak
240±5℃
10±3 sec
6.5 Solder
Ability
Dipped in 230±5℃ solder bath for 3±0.5 sec The terminals
seconds with rosin flux (25wt% ethanol shall be at
solution.)
least
covered
solder.
95%
by
6.6 High
Subject the resonator to 80±5℃ for 96 hours, It shall fulfill
Temperature then release the resonator into the room the
Exposure
6.7 Low
conditions for 1 hour prior to the measurement. specifications
in Table 1.
Subject the resonator to -20±5℃ for 96 hours, It shall fulfill
Temperature then release the resonator into the room the
Exposure
conditions for 1 hour prior to the measurement. specifications
in Table 1.
SHENZHEN LUGUANG ELECTRONIC TECHNOLOGY CO.,LTD
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