泰州福声电子科技有限公司
-----
电声产品专业制造商
FUSHENG ELECTRONICS------Acoustic Components ProfessionalManufacturer
3.
TESTING METHOD
测量方式
Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%
Acoustic Characteristics:
Theoscillationfrequency, currentconsumptionandsoundpressurearemeasuredby themeasuringinstruments
shownbelow.
In the measuring test, buzzer is placed as follows:
FSR-1704L
泰州福声电子科技有限公司
-----
电声产品专业制造商
FUSHENG ELECTRONICS------Acoustic Components ProfessionalManufacturer
4.
TypicalFrequencyResponseCurve
5.
SolderingCondition
(1)
Recommendablereflowsolderingconditionis as follows
(Reflowsolderingistwice)
Note:Itis requestedthatreflowsolderingshouldbeexecuted
afterheatof productgoesdownto normal.
Heat resistant line
(Usedwhenheatresistantreliabilitytestis performed)
(2)Manualsoldering
Manual soldering temperature 350
ºC
within 5 sec.
FSR-1704L
泰州福声电子科技有限公司
-----
电声产品专业制造商
FUSHENG ELECTRONICS------Acoustic Components ProfessionalManufacturer
6. RELIABILITYTEST
NO.
1
ITEM
High Temperature
Test (Storage)
Low Temperature
Test (Storage)
TEST CONDITION AND REQUIREMENT
Afterbeingplacedina chamberwith80 2ºCfor96 hoursandthen
beingplacedinnormalconditionfor2 hours.
AllowablevariationofSPLaftertest: 10dB.
AfterbeingPlacedina chamberwith-30 2ºCfor96 hoursandthen
beingplacedinnormalconditionfor2 hours.
AllowablevariationofSPLaftertest: 10dB.
AfterbeingPlacedina chamberwith90-95%R.H.at 40 2ºC for96
hoursandthenbeingplacedinnormalconditionfor2 hours.
AllowablevariationofSPLaftertest: 10dB.
The part shall be subjected to 5 cycles. One cycle shall be consist of：
+70ºC
+25ºC
+25ºC
2
3
Humidity Test
4
Temperature Cycle
Test
-
20ºC
5
Drop Test
6
Vibration Test
7
Solderability
Test
Terminal Strength
Pulling Test
:
:
:
:
8
AllowablevariationofSPLaftertest: 10dB.
Dropona hardwoodboardof 4cmthick,anydirections,6 times,
at theheightof 75cm.
AllowablevariationofSPLaftertest: 10dB.
Afterbeingappliedvibrationofamplitudeof 1.5mmwith 10 to 55 Hz
band of vibration frequency to each of 3 perpendiculardirections for
2hours .
Allowablevariationof SPLaftertest: 10dB.
Lead terminals are immersed in rosin for 5 seconds and then
immersedinsolderbathof+300 5ºCfor3 1seconds .
90% min. leadterminalsshallbewetwithsolder
(Excepttheedgeofterminals).
Theforceof 9.8N(1.0kg) isappliedtoeachterminalinaxialdirectionfor
10 seconds.
No visible damage and cutting off.
a) Temperature:+5~ +35℃
a)
温度
: +5 ~ +35℃
a) Temperature : +25 ± 2℃
a)
温度
: +25 ± 2℃
b) Humidity : 45-85%
b)
湿度
: 45-85%
b) Humidity : 60-70%
b)
湿度
: 60-70%
c) Pressure : 860-1060mbar
c)
气压
: 860-1060mbar
c) Pressure : 860-1060mbar
c)
气压
: 860-1060mbar
TEST CONDITION.
Standard Test Condition
一般测试条件
Judgment TestCondition
争议时测试条件
FSR-1704L
嵌入式系统
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