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Reliability test, Piezo sounder – BeStar BPT2203H07 LF User Manual

Page 5

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4.1 High temperature test
Temperature + 80°C
Duration 96hrs
4.2 Low temperature test
Temperature -30°C
Duration 96hrs

all these tests above should be measured after leaving normal temperature for 2hrs.

4.5 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3
4.6 Solderability test
Solderability temperature 255°C
Heat applying time 3sec
4.7 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.52mm
Duration 2hrs each of 3 axis

Notice: After the test the part shall meet specifications without
any degrance and performance except S.P.L, S.P.L shall be 70dB more .

30min

12h

65 C 90-95%

4.3 Temperature cycle test
Cycles 5

4.4 Humidity cycle test
Cycles 5

1h

10h

30min

-20 C

25 C90-95% RH

15min

1h

15min

RH

4. Reliability test

+20 C

+20 C

+70 C

A

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5

Rev.

Date

Drawn

4

Date:

Approved by:

Drawn by:

Checked by:

Note

Piezo Sounder

DRG NO: BS/TEP01.211B

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BPT2203H07 LF

BPT2203H07 LF

李红元

邱 俊

赵 峥

DRG NO: BS/TEP01.211C

09/12/10

博 士 達