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Electrical characteristics, Drawing, Ч0.05 – BeStar FT-21.5T-4.0A12 User Manual

Page 2

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赵 峥

汤浩君

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Piezo Ceramic Element

2

1

Page:02 of 05

Date:

09/03/06

Checked by:

Approved by:

Drawn by:

Note

Date

Drawn

3

4

www.be-star.com [email protected]

6

5

A

Rev.

A

DRG NO: BS/TEY01.094A

FT-21.5T-4.0A12

1.Electrical characteristics

1. Resonant Frequency 4.0±0.5K Hz

2. Resonant Impedance 200max.ohm

3. Capacitance at 120Hz 100±30%nF

4. Input Voltage ≤30Vp-p

5. Operating Tmperature -20...+60°C

6. Storage Temperature -20...+70 °C

7. Metal Material Brass

8. Pull test of silver layer(vertical) 2.5N min

9. Pull test of silver layer (horizontal) 20N min

10. Meshed Wire 8Ч

2

Ч0.05

FT-21.5T-4.0A12

2.Drawing

09/03/06

汤浩君

Ш21.5±0.05

Ш20±0.5

60

±1.0

0.1

±0.02

0.35

±0.1

3

±0.5

Brass

Ceramic

silver layer