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WT-2512 Datasheet(PDF) 2 Page - Soberton Inc.

Part No. WT-2512
Description  THIS SPECIFICATION APPLIES TO THE ELECTROMAGNETIC BUZZER
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Maker  SOBERTON [Soberton Inc.]
Homepage  http://www.soberton.com
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WT-2512 Datasheet(HTML) 2 Page - Soberton Inc.

   
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MODEL: WT-2512
PRODUCT: Electromagnetic Buzzer
EDITION: A/2017
RELIABILITY TEST
item
test conditions
evaluation standard
operating life test
ORDINARY TEMPERATURE
The part will be subjected to 96 hours of
continuous operation at room temperature.
After the test the part will meet specifications
without any degradation in appearance and
performance except SPL, after 4 hours at +25oC.
The SPL would be in ±10dBA compared with
initial one.
HIGH TEMPERATURE
The part will be subjected to 72 hours of
continuous operation at +85oC with 12.0V,
1000Hz applied.
LOW TEMPERATURE
The part will be subjected to 72 hours of
continuous operation at -30oC with 12.0V,
1000Hz applied.
TEST CONDITION
Standard Test Condition : a)Temperature: +5~+35oC b)Humidity:45~85% c)Pressure: 860~1060mbar
MECHANICAL CHARACTERISTICS
item
test condition
evaluation standard
solderability
Lead terminals are immersed in solder bath of
+250±5oC for 3±1 seconds.
90% min.lead terminals will be wet with solder
No interference in operation.
soldering heat resistance
Lead terminal are immersed in soldering bath of
260±5oC for 2±0.5 seconds.
terminal mechanical
strength
Apply the terminal with 1KG strength for 1
minute
No damage and cutting off.
vibration
The part will be subjected to a vibration cycle of
10Hz to 55Hz to 10Hz in a period of 1 minute.
Total peak amplitude will be 1.52mm(9.3G). The
vibration test will consist of 2 hours per axis in
each three axes (X,Y,Z). Total 6 hours.
After the test the part will meet specifications
without any damage in appearance and
performance except SPL.
SPL would be in ±10dBA compared with initial
one.
drop test
The part only will be dropped from a height of
75cm onto a 40mm thick wooden board 3 times
in 3 axes (X,Y,Z). Total of 9 times.
RECOMMENDED TEMPERATURE PROFILE FOR REFLOW OVEN
PAGE 2/5
Recommendable wave soldering condition is as follows:
Note 1: It is requested that reflow soldering should be executed
after heat of product goes down to normal temperature.
Note 2: Peak reflow temperature of 250˚C maximum of 10 seconds,
with a maximum duration of 40-60 seconds between 220˚C and
250˚C


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