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電磁式蜂鳴器
  • FMB09A03

FMB09A03

產品名稱 : FMB09A03

詳細說明:



A. SCOPE 
This specification applies magnetic buzzer, FMB09A03

B. SPECIFICATION


No.ItemUnitSpecificationCondition
1
Oscillation FrequencyKHz2.7 ± 0.3
2Operating VoltageVDC2 ~ 4.2
3

Rated Voltage

VDC3
4Current ConsumptionmAMAX. 30at Rated Voltage
5Sound Pressure LeveldBMIN. 80at 10cm at Rated Voltage
6Tone/Pulse Rate
Constant
7Operating Temperature-20 ~ +70
8Storage Temperature-30 ~ +80
9DimensionmmΦ9.0 x H5.5See appearance drawing
10Weight (MAX)gram1.0
11Housing Material
PPO( Black )
12Leading Pin
Tin Plated Brass(Sn)See appearance drawing
13Environmental  
Protection Regulation

 RoHS




C. APPEARANCE DRAWING  
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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


20151229193932815_副本

 
In the measuring test, buzzer is placed as follows:
TESTING METHOD-2

 
 
E. VOLTAGE / CURRENT / SOUND PRESSURE CHARACTERISTICS
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F. RELIABILITY TEST

NO.

ITEM

TEST CONDITION AND REQUIREMENT

1

High Temperature
Test (Storage)

After being placed in a chamber with 802℃ for 96 hours and then being placed in normal condition for 2 hours.
Allowable variation of SPL after test: 
10dB.

2

Low Temperature
Test (Storage)

After being Placed in a chamber with -302℃ for 96 hours and then being placed in normal condition for 2 hours.
Allowable variation of SPL after test: 
10dB.

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.
Allowable variation of SPL after test: 
10dB.

4

Temperature Cycle
Test

The part shall be subjected to 5 cycles. One cycle shall be consist of: 
 
Temperature Cycle


Allowable variation of SPL after test: 10dB.

5

Drop Test

Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm .
Allowable variation of SPL after test: 
10dB.

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 .
Allowable variation of SPL after test: 
10dB.

7

Solderability
Test

Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +3005℃ for 31 seconds .
90% min. lead terminals shall be wet with solder
(Except the edge of terminals).

8

Terminal Strength
Pulling Test

The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds.
No visible damage and cutting off.

TEST CONDITIONS


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

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