A. Scope
This specification applies to Piezo buzzers,120030H-03040T

B. Specifications

C. APPEARANCE DRAWING

Tol: ±0.3 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

Oscillation frequency, current consumption and sound pressure are measured by the instrument shown below
In the measurement test, the buzzer is placed as follows:

E. Voltage/current/sound pressure characteristics

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 ºC within 5 sec.

G. RELIABILITY TEST