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  • FMB1275-03

電磁式蜂鳴器FMB1275-03

產(chǎn)品名稱 : FMB1275-03

類型 : 電磁式蜂鳴器

驅(qū)動(dòng)方式 : 有源蜂鳴器

工藝 : 插針蜂鳴器

尺寸范圍 : 10-15mm

詳細(xì)說明:

A. SCOPE 
This specification applies magnetic buzzer, FMB1275-03

B. SPECIFICATION

No.

Item

Unit

Specification

Condition

1

Oscillation Frequency

KHz

2.3 


2

Operating Voltage

VDC

1.5 ~ 4


3

Rated Voltage

VDC

3


4

Current Consumption

mA

MAX. 30

at Rated Voltage

5

Sound Pressure Level

dB

MIN. 87

at 10cm at Rated Voltage

6

Tone/Pulse Rate


Constant


7

Operating Temperature

-20 ~ +70


8

Storage Temperature

-30 ~ +80


9

Dimension

mm

Φ12 x H7.5

See appearance drawing

10

Weight (MAX)

gram

2.0


11

Housing Material


PPO( Black )


12

Leading Pin


Tin Plated Brass(Sn)

See appearance drawing

13

Environmental  
Protection Regulation


 RoHS


 
C. APPEARANCE DRAWING  

12751 


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
12752

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 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

12753

12754

 


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