歡迎來到泰州福聲電子科技有限公司官方網站,這是一家貼片式無源蜂鳴器、高分貝報警器、喇叭廠家、蜂鳴器廠家!
15722819198
產品中心
當前位置:首頁 > 產品中心
  • FSK-4839

壓電蜂鳴器FSK-4839

產品名稱 : FSK-4839

類型 : 壓電蜂鳴器

驅動方式 : 有源蜂鳴器

工藝 : 引線蜂鳴器

尺寸范圍 : >30mm

詳細說明:

A. SCOPE 
This specification applies Piezo buzzer, FSK-4839

B. SPECIFICATION

No.

Item

Unit

Specification

Condition

1

Oscillation Frequency

KHz

2.9±0.5


2

Operating Voltage

VAC

9 ~15


3

Rated Voltage

VAC

12


4

Current Consumption

mA

MAX. 120

at Rated Voltage

5

Sound Pressure Level

dB

MIN. 105

at 100cm at Rated Voltage

6

Tone


Fast Pulse


7

Operating Temperature

-20 ~ +60


8

Storage Temperature

-30 ~ +70


9

Dimension

mm

Φ47*39*23.5mm

See appearance drawing

10

Weight (MAX)

gram

20


11

Housing Material


ABS( Black )


12

Environmental  
Protection Regulation


 RoHS


 
C. APPEARANCE DRAWING  

blob

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
 blob 

F. RELIABILITY TEST

NO.

ITEM

TEST CONDITION AND REQUIREMENT

1

High Temperature
Test (Storage)

After being placed in a chamber with 702℃ 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:
 
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 1.5mmwith 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 
 


[返回]

收起
展開
avtt天堂网久久精品_国产2021中文天码字幕_欧美肥妇bbwbbwxx_国产欧美一区二区三区不卡