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Testing Item
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Condition of Test
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Performance Requirements
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1
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Resistance to
impact
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Drop the
filter randomly onto a concrete floor the height of 10cm 3 times.
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No visible
damage and the measured values shall meet Table 1.
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2
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Resistance to
vibration
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Subject the
filter to the vibration for 1 hour each in the X. Y. and Z. Axes with the
amplitude of 1.5mm,the frequency of 10-55Hz.
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No visible
damage and the measured values shall meet Table 1.
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3
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Firmness of
lead
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Applied to vertical weight 1Kg along with the
direction of lead without any shock for 5-10 sec.
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No evidence
of harm should show.
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4
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Solderability
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Dip the
filter terminals no closer than 1.5mm into the solder bath at 230±5℃
for 5±1 sec.
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More than 95%
of the terminal surface of the filter shall be covered with fresh solder.
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5
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Resistance to
soldering heat
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Dip the
filter terminals no closer than 1.5mm into the solder bath at 350±10℃
for 3 sec. Then release it into the room condition for 1 hour.
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The measured
values shall meet Table 1.
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6
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Resistance to
moisture
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Keep the
filter at RH90%～95% and
40±2℃ for 100 hours. Then release the filter into the room condition
for 1 hour.
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The measured
values shall meet Table 1.
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7
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High temperature
storage
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Subject the
filter to 85±2℃ for 100 hours. Then release the filter into the room
condition for 1 hour.
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The measured
values shall meet Table 1.
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8
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Low
temperature storage
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Subject the
filter to –55±2℃ for 100 hours. Then release the filter into the room
condition for 1 hour.
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The measured
values shall meet Table 1.
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9
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Temperature
cycling
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Subject the
filter to a low temperature of –55℃ for 30 min. Followed by a high
temperature of 85℃ for 30 min. Cycling shall be repeated 5 times with a
transfer time 15min.at the room temperature. Then release the filter into the
room condition for 1 hour.
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The measured
values shall meet Table 1.
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