Resonant frequency (KHz)

Fr =2.6±0.5

Resonant impedance (Ω)

Rr≤500

Main electrode static capacity (nF)

CM =21±30%

Feedback electrode static capacity(nF)

CF=2.6±30%

 Operating temperature (℃)

-20～+70

 Storage temperature (℃)

-30～+80

Piezoelectric elements

Manual Soldering process

Soldering  Parameter

Temp.( ℃ )

Time(Sec.)

Times

Inclusive Lead

silver electrode

280±10

1.5 second or less.

1~2

metal plate

320±10

2 second or less.

1~2

Lead Free

★

silver electrode

320±10

2 second or less.

1~2

★

metal plate

340±10

3 second or less.

1~2

Solder Dot:   Diameter MAX 3.0mm,   High MAX 1.5mm,

Soldering sequence:   1、 silver electrode      2、 metal plate