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A. SCOPE
This specification applies magnetic buzzer, FDB-120095F-1223
C. APPEARANCE DRAWING
Tol : ± 0.5 Unit: mm
D.TESTING METHOD
Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%
Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below
In the measuring test, buzzer is placed as follows:
E. VOLTAGE / CURRENT / SOUND PRESSURE CHARACTERISTICS
F. RELIABILITY TEST
NO. |
ITEM |
TEST CONDITION AND REQUIREMENT |
1 |
High Temperature |
After being placed in a chamber with 802℃ for 96 hours and then being placed in normal condition for 2 hours. |
2 |
Low Temperature |
After being Placed in a chamber with -302℃ for 96 hours and then being placed in normal condition for 2 hours. |
3 |
Humidity Test |
After being Placed in a chamber with 90-95% R.H. at 402℃ for 96 hours and then being placed in normal condition for 2 hours. |
4 |
Temperature Cycle |
The part shall be subjected to 5 cycles. One cycle shall be consist of: |
5 |
Drop Test |
Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm . |
6 |
Vibration Test |
After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours . |
7 |
Solderability |
Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +3005℃ for 31 seconds . |
8 |
Terminal Strength |
The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. |
TEST CONDITION.
Standard Test Condition : a) Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar
Judgment Test Condition : a) Temperature : +25 ± 2℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar
G. PACKING STANDARD