BeStar SMT1212-05XH6.5 LF - Manual (Page 4)

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Notice: All specification must be satisfied in this condition except SPL. SPL shall be 75dB or more.
3.Reliability Test
Transducer
SMT1212-05XH6.5 LF
DRG NO: BS/TET01.059D
魏奉玲
徐 波
陶红仲
SMT1212-05XH6.5 LF
博 士 達
3.6 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.53mm
Direction 3(x.y&z)
Duration 2hrs each direction (total 6 hrs)
3.7 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3(x.y&z)
3.8 Solderability Test
Soldering Temperature 250 ± 5 ℃
Duration 3 ± 0.5sec
3.1 High temperature storage test
Temperature +90 C
Duration 96hrs
3.2 Low temperature storage test
Temperature -40 C
Duration 96hrs
3.3 Life test in normal temperature
Power supply Rated voltage
Duration 1000hrs
3.4 Temperature cycle test
Cycles 5
3.5 Humidity cycle test
Cycles 5
+20℃
All these tests above should be measured after leaving normal temperature for 4hrs.
12h
25℃90-95% RH
1h 10h
15min 30min
-40℃
30min
65℃ 90-95% RH
+90℃
+20℃
1h
15min
王善梅 06/02/17 B
09/08/19
07/08/25 C
change into reel
魏奉玲 09/08/19 D change the height
packing 王善梅
add reflow soldering
curve