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20mm small piezo element as internal drive Piezoelectric ceramic disc buzzer element FT-20T-4.0A1
Product description
We are buzzer manufacturer, in this line have more than 20 year's experience, most of our customer are Samsung,Flextronic,Bosch,Siemens,Kia and so on, we got TS16949,ISO9001 and ISO14001, our mainly products are piezoelectric buzzer , SMD buzzer, magnetic buzzer, piezo element, mylar speaker. and we have strong R&D to develop new products.
20mm small piezo element as internal drive Piezoelectric ceramic disc buzzer element FT-20T-4.0A1
Piezo element | |||
1 |
Model No. |
FT-20T-4.0A1 |
|
2 |
Input Voltage (Vp-p) |
30 max |
|
3 |
Resonant Frequency (KHz) |
4.0±0.5 |
|
4 |
Resonant Impedance (Ω) |
300 max |
|
5 |
Capacitance 1000Hz (PF) |
20000±30% |
|
6 |
Operating Temperature (℃) |
-20~+60 |
|
7 |
Storage Temperature (℃) |
-30~+70 |
|
8 |
Ceramic plate diameter (mm) |
Φ15.0±0.5 |
|
9 |
Metal plate diameter (mm) |
Φ20.0±0.2 |
|
10 |
Metal plate Thickness (mm) |
0.15±0.02 |
|
11 |
Total Thickness (mm) |
0.26±0.05 |
|
12 |
Metal Material |
Brass (H65) |
|
13 |
MSL(Moisture Sensitivity Level) |
5a(≤30℃/60%RH 24H Floor life) |
|
14 |
Test Point |
Within 1mm from edge of silver coat |
|
Dimensions |
Unit: mm |
||
we can supply FREE samples for customer test, develop new product to meet customer require, try our best to satisfy with customer, high quality,reasonable price and good service.
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