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壓電式蜂鳴器
  • FSR-1255

FSR-1255

產品名稱 : FSR-1255

詳細說明:

A. SCOPE 
This specification applies Piezo buzzer, FSR-1255

B. SPECIFICATION

No.

Item

Unit

Specification

Condition

1

Oscillation Frequency

Hz

4000±500Hz

Square Wave

2

Operating Voltage

Vp-p

1 ~ 20


3

Rated Voltage

Vp-p

9


4

Current Consumption

mA

MAX. 5

at Rated Voltage

5

Sound Pressure Level

dB

MIN. 80

at 10cm at Rated Voltage

6

Electrostatic Capacity

pF

12000±30%

at 100Hz 1V

7

Operating Temperature

-40 ~ +85


8

Storage Temperature

-40 ~ +85


9

Dimension

mm

Φ12 x H5.5

See appearance drawing

10

Weight (MAX)

gram

1.3


11

Housing Material


PPS( Black )


12

Leading Pin


 Plated Brass(Sn)

See appearance drawing

13

Environmental  
Protection Regulation


 RoHS


 

C. APPEARANCE DRAWING  
65687630-8ef7-4dff-83f7-3e70969f24f8

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. Typical Frequency Response Curve
125512 

F. Soldering Condition
(1)Recommendable reflow soldering condition is as follows
(Reflow soldering is twice)
Note:It is requested that reflow soldering should be executed after heat of product goes down to normal.

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

  

G. RELIABILITY TEST

NO.

ITEM

TEST CONDITION AND REQUIREMENT

1

High Temperature
Test (Storage)

After being placed in a chamber with 852℃ 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 -402℃ 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 1.5mm 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 
 


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