Reliability test, Speaker – BeStar BDT3032H12.8-04 LF User Manual
Page 7
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Drawn
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Date
Checked by:
Approved by:
Note
Drawn by:
Date:
Page:07 of 09
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1
Speaker
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5.Reliability test
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1. Endurance test
Duration 240hrs
at square wave,duty cycle:50% asymmetric,Un=7Vop f=2048Hz
Temperature cycle -40...+85°C with cycle duration 4h; 10s on/off
2. High temperature durability acc. to IEC 60068 part2-2
Temperature +85°C
Duration 1000h
3. Low temperature durability acc. to IEC 60068 part 2-1
Temperature -40°C
Duration 500h
4. Humidity durability acc.to IEC 60068 part2-3
Temperture 40°C
Rel.humidity 93%RH
Duration 56days
5. Temperature cycle durability acc.to IEC60068 part2-14
Low Temperature -40°C
Upper Temperature +85°C
Transfer time from lower to upper temperature <10s
Number of cycles 100cycles
6. Shock test acc. to IEC 60068 part2-27
100g for each free mutually perpendicular directions to each of 3times by sine-wave
7. Vibration test acc. to IEC 60068 part 2 -6
sine-wave excitation; 8...300Hz,2g,1 octave/min; test time 16h each axis
Additional requirements:
Test of solderability and resistance to soldering heat acc. to VDON4.3643.001
X-ray solderpoint inspection according to VDON 4.4814.001
Washability:not washable
Cadmium prohibited as per DIN 5.5000.1
8. Wave soldering
5K/s
2nd wave
Forced
cooling
100
50
100
0
50
2K/s
200
1st wave
100
°C...130°C
approx. 200k/s
150
235
°C...260°C
250
300
C
10s
250
150
200
Time
2K/s
Limit curve
Normal curve
Temperature
BDT3032H12.8-04 LF
DRG NO: BS/TES01.560A
BDT3032H12.8-04 LF
07/08/09
莫丽丽
莫丽丽
07.08.09
A
陶红仲
王文邦