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福鼎 电磁无源贴片蜂鸣器 Φ9.0x H3.5
价格：￥1.80
地区：江苏省 无锡市
电 话：0510-86582084
手 机：13815256501

江阴市福鼎通讯器材有限公司

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DCRIPTION常州电磁式无源贴片蜂鸣器 D-090035H侧发音 福鼎描 述

 

A. SCOPE 
This specification appli magnetic buzzer, D-090035H-03627

B. SPECIFICATION

 

.

Item

Unit

Specification

Condition

1

Oscillation Frequency

Hz

2731

Vo-p=1/2duty , square wave

2

Operating Voltage

Vo-p

2.5 ~4.5


3

Rated Voltage

Vo-p

3.6


4

Current Consumption

mA

MAX. 100

at Rated Voltage

5

Sound Prsure Level

dB

MIN. 85

at 10cm at Rated Voltage

6

Coil Ristance

Ω

16±3


7

Operating Temperature

℃

-30 ~ +70


8

Storage Temperature

℃

-40 ~ +85


9

Dimension

mm

Φ9.0x H3.5

See appearance drawing

10

Weight (MAX)

gram

0.8


11

Housing Material


LCP( Black )


12

Leading Pin


 Tin Plated Br(Sn)

See appearance drawing

13

Environmental  
Protection Regulation


 RoHS


 

 

 

C. APPEARANCE DRAWING  
 

Tol : ± 0.5      Unit: mm

 

D.TTING METHOD    
Standard Measurement conditions
Temperature:25±2℃  Humidity:45-65%

 

Acoustic Characteristics:
The oscillation frequency, current consumption and sound prsure are measured by the measuring instruments shown below


 
In the measuring tt, buzzer is placed as follows:

 
E. Tical Frequency Rponse Curve



 

 

F. Recommend Driving Circuit 


 
The base current Ib should high eugh so that it saturat the collector current of the transistor with the CB load.

 

 

 

G. Soldering Condition
(1)Recommendable reflow soldering condition is as follows
(Reflow soldering is twice)
te:It is requted that reflow soldering should be executed after heat of product go down to rmal.



  Heat ristant line
(Used when heat ristant reliability tt is performed)
(2)Manual soldering
   Manual soldering temperature 350 ℃ within 5 sec.

 

 

H. RELIABILITY TT

 

.

ITEM

TT CONDITION AND REQUIREMENT

1

High Temperature
Tt (Storage)

After being placed in a chamber with 852℃ for 96 hours and then being placed in rmal condition for 2 hours.
Allowable variation of SPL after tt: 10dB.

2

Low Temperature
Tt (Storage)

After being Placed in a chamber with -402℃ for 96 hours and then being placed in rmal condition for 2 hours.
Allowable variation of SPL after tt: 10dB.

3

Humidity Tt

After being Placed in a chamber with 90-95% R.H. at 402℃ for 96 hours and then being placed in rmal condition for 2 hours.
Allowable variation of SPL after tt: 10dB.

4

Temperature Cycle
Tt

The part shall be subjected to 5 cycl. One cycle shall be consist of: 
 

Allowable variation of SPL after tt: 10dB.

5

Drop Tt

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

6

Vibration Tt

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 tt: 10dB.

7

Solderability
Tt

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 Tt

The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds.
visible damage and cutting off.

 

TT CONDITION. 
Standard Tt Condition              :      a) Temperature : +5 ~ +35℃  b) Humidity : 45-85%        c) Prsure : 860-1060mbar 
Judgment Tt Condition             :      a) Temperature : +25 ± 2℃   b) Humidity : 60-70%         c) Prsure : 860-1060mbar 
 

I. PACKING STANDARD