徐州棋牌

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  • FMB09A24

CHANPINMINGCHENG : FMB09A24

LEIXING : DIANCISHIFENGMINGQI

QUDONGFANGSHI : YOUYUANFENGMINGQI

GONGYI : CHAZHENFENGMINGQI

徐州棋牌CHICUNFANWEI : 5-10mm

詳細說明:

A. SCOPE 
This specification applies magnetic buzzer, FMB09A24

B. SPECIFICATION

No.

Item

Unit

Specification

Condition

1

徐州棋牌Oscillation Frequency

KHz

2.7 ± 0.3


2

徐州棋牌Operating Voltage

VDC

18 ~ 28


3

Rated Voltage

VDC

24


4

徐州棋牌Current Consumption

mA

MAX. 30

徐州棋牌at Rated Voltage

5

Sound Pressure Level

dB

MIN. 80

at 10cm at Rated Voltage

6

徐州棋牌Tone/Pulse Rate


Constant


7

徐州棋牌Operating Temperature

-20 ~ +70


8

徐州棋牌Storage Temperature

-30 ~ +80


9

Dimension

mm

Φ9.0 x H5.5

See appearance drawing

10

徐州棋牌Weight (MAX)

gram

1.0


11

Housing Material


徐州棋牌PPO( Black )


12

Leading Pin


Tin Plated Brass(Sn)

徐州棋牌See appearance drawing

13

Environmental  
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
徐州棋牌(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.
徐州棋牌No visible damage and cutting off.

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

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