Guangdong завод сигнализации пьезо керамический диск 3,0khz 35 мм пьезодиафрагма

Customer:

Part No:

Product: Piezoelectric elements

SWT Part No: 3S35+3.0SA

Configuration

Appearance and dimension:see the drawing

Material

Piezoelectric

Configuration

1:plane√            2:discal

Electrode form

A: fullness         B: feedback √

Metal material

B: brass  S: stainless steel √  N: nickel

Electrical specification

 Resonant frequency (kHz)

Fs=3.0±0.5

 Resonant impedance  (Ω)

Rr≤500Ω

Main electrode static capacity (PF)

CM =30000±30%

Feedback electrode static capacity (PF)

CF =3300±30%

 Operating temperature (C)

-20~+70

 Storage temperature (C)

-30~+80

Piezoelectric elements

Manual Soldering process

Soldering  Parameter

Temp.( ⁰C)

Time(Sec.)

Times

Lead Free

silver electrode

300±10

2 second or less.

1~2

metal plate

320±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

Piezoelectric elements

3S35+3.0SA

10PCS

10PCS

Pass( √ )

Fail(            )