DETAILED SPECIFICATION FOR A SURFACE MOUNT 455 KHZ CERAMIC FILTER
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\ 6.0
PHYSICAL CHARACTERISTICS
No. Item
6.1 Random Drop
6.2 Vibration
6.3
Resistance to
Soldering Heat
6.4 Solderability
6.6 Washability
Condition of Test
Requirements
The Filter shall be measured after 3 times random
drops from the height of 30cm on concrete floor.
No visible damage
and the measured
values shall meet
Table 1.
The Filter shall be measured after being applied
vibration of amplitude of 1.5mm with 10 to 55Hz
bands of vibration frequency to each of 3
perpendicular directions for 1 hour.
The measured
values shall meet
Table 1.
Lead terminals are immersed up to 1.5mm from
the Filter’s body in solder bath of 350°C ± 10°C for
3 ± 0.5 seconds or 260°C ± 5°C for 10 ± 1 seconds,
and then the Filter shall be measured after being
placed in natural condition for 1 hour.
The measured
values shall meet
Table 1.
Lead terminals are immersed in resin for 5
seconds and then immersed in soldering bath of
235°C ± 5°C for 2 ± 0.5 seconds.
95% min. lead
terminals shall be
wet with solder.
Ultrasonic wash not available
7.0 ENVIRONMENTAL CHARACTERISTICS
No. Item
Condition of Test
Requirements
After being placed in a chamber with +85°C ± 2°C The measured
7.1
High Temperature
for 96 ± 4 hours and then being placed in natural
condition for 1 hour. The Filter shall be
values shall meet
Table 1.
measured.
After being placed in a chamber with -20°C ± 2°C The measured
7.2
Low Temperature
for 96 ± 4 hours and then being placed in natural
condition for 1 hour. The Filter shall be
values shall meet
Table 1.
measured.
7.3 Humidity
After being placed in a chamber with 90 to 95%
R.H. at +40°C ± 2°C for 96 ± 4 hours and then
being placed in natural condition for 1 hour. The
Filter shall be measured.
The measured
values shall meet
Table 1.
7.4 Heat Shock
After being kept at room temperature, the Filter
shall be placed at temperature of –20°C for 30
minutes, then the Filter shall be immediately
placed at temperature of 80°C, after 30 minutes
at temperature of 80°C, the Filter shall be
returned to –20°C again. After 5 times above
cycles, the Filter shall be returned to room
temperature, after 1 hour in natural condition,
the Filter shall be measured.
The measured
values shall meet
Table 1.
7.5 Temperature
Characteristic
From temperature range of -20°C to +85°C
FTC < 50 ppm/°C
Phone: +86 (10) 5820-3910
Vanlong Technology Co., Ltd.
Fax: +86 (10) 5820-3915 Email: sales@vanlong.com
Web: http://www.vanlong.com
