BeStar BPT4409H11W135F LF - Manual (Page 4)

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Page:04 of 06 DRG NO:BS/TEP01.819A
Piezo Sounder
李红元 Drawn Rev. Date Note
赵 峥
12/03/14
于 巧
李红元
赵 峥
12/03/14
BPT4409H11W135F LF
于 巧
BPT4409H11W135F LF
A 12/03/14 于 巧
all these tests above should be measured after leaving normal temperature for 2hrs.
4.6 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3
4.7 Solderability
Temperature 250
5 C
Duration 3± 0.5sec
4.8 Solkder Heat Resistance
Temperature 250
10 C
Duration 30sec
Notice: All specification must be satisfied in this condition.
4.1 high temperature test
Temperature +80 C
Duration 96hrs
4.2 low temperature test
Temperature -30 C
Duration 96hrs
4.3 life test in normal temperature
Power supply rated voltage
Duration 1000hrs
4.4 temperature cycle test
+80 °C
Cycles 5
4.5 Humidity cycle test
Cycles 5
25 °C 90-95% RH
65 °C 90-95% RH
-30 °C
+20 °C +20 °C
4. Reliability test
30min 15min 30min 15min
10h 1h 12h 1h