A. Scope: This specification is applicable to piezoelectric buzzer SMD-220070F-12040TJ
B. Specifications:

C. Appearance drawings:

TOL: ±0.3 Unit: mm.
D. Test method.
Standard measurement conditions.
Temperature: 25±2℃ Humidity: 45-65%.
Acoustic characteristics:

In the measurement test, the buzzer is placed as follows:

E. Typical frequency response curve:

F. Welding conditions:
Recommended reflow conditions are as follows.
(Reflow is twice).
Note: Reflow is required after the product heat drops to normal

G. Packaging standard: