Energy Harvesting Plate Piezoelectric Plate Crystal Charge Sensitivity
Product Description
Energy Harvesting Plate Piezoelectric Plate Crystal Charge Sensitivity
WuHan Piezohannas Tech.Co .,Ltd is a manufactuer of piezoelectric ceramics ,ultrasonic transducers and some other ultrasonic deivce with strong technology force.With a quality management system and research & development sector,our products are extensively used in most applications.
- Piezo Material: PZT5
- Dimensions:21x21x0.55mm
-Application: pressure sensor
Parameters of piezo plate:
-Resonant frequency fr: 78 KHz±2 KHz
-Electromechanical coupling coefficient K31:≥60%
-Resonant impedance Zm: ≤6 Ω
-Static capacitance Cs: 15nF±15%@1kHz
-Test Condition: 23±3 °C 40~70% R.H.
The range of Piezoceramic Rectangle / Square:
Length: 3mm-176mm
Width: 1mm-120mm
Height: 0.1mm-30mm
Typical value of "SOFT" PZT materials performance：
"Soft" PZT materials |
The type of soft material |
||||||||
Properties |
PSnN-5 |
PLiS-51 |
PZT-51 |
PZT-52 |
PZT-53 |
PZT-5H |
PZT-5X |
||
Dielectric Constant |
ɛTr3 |
1600 |
2000 |
2200 |
2400 |
2600 |
3200 |
4500 |
|
Coupling factor |
KP |
0.6 |
0.62 |
0.62 |
0.63 |
0.64 |
0.68 |
0.7 |
|
K31 |
0.35 |
0.35 |
0.35 |
0.35 |
0.36 |
0.38 |
0.4 |
||
K33 |
0.68 |
0.7 |
0.68 |
0.7 |
0.7 |
0.76 |
0.77 |
||
Kt |
0.5 |
0.52 |
0.5 |
0.5 |
0.5 |
0.52 |
0.53 |
||
Piezoelectric coefficient |
d31 |
10-12m/v |
-170 |
-197 |
-186 |
-204 |
-227 |
-275 |
-300 |
d33 |
10-12m/v |
400 |
450 |
500 |
520 |
550 |
620 |
750 |
|
g31 |
10-3vm/n |
-12 |
-11.1 |
-9.6 |
-9.8 |
-9.9 |
-9.7 |
-7.5 |
|
g33 |
10-3vm/n |
28 |
25.4 |
25.6 |
24.5 |
23.9 |
22 |
18.8 |
|
Frequency coefficients |
Np |
2000 |
1920 |
1980 |
1980 |
1960 |
1900 |
1960 |
|
N1 |
1466 |
1407 |
1451 |
1451 |
1437 |
1393 |
1437 |
||
N3 |
1825 |
1925 |
1900 |
1900 |
1755 |
1550 |
1800 |
||
Nt |
2100 |
2100 |
2150 |
2150 |
2150 |
2100 |
2200 |
||
Elastic compliance coefficient |
Se11 |
10-12m2/n |
16.6 |
18 |
16.7 |
17 |
17.4 |
18 |
19 |
Machanical quality factor |
Qm |
85 |
80 |
80 |
75 |
75 |
70 |
65 |
|
Dielectric loss factor |
Tg δ |
% |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Density |
ρ |
g/cm3 |
7.5 |
7.5 |
7.6 |
7.6 |
7.6 |
7.5 |
7.5 |
Curie Temperature |
Tc |
°C |
350 |
345 |
270 |
270 |
270 |
230 |
165 |
Young's modulus |
YE11 |
<109N/m2 |
60 |
56 |
60 |
59 |
57.5 |
56 |
53 |
Poison Ratio |
0.36 |
0.36 |
0.36 |
0.36 |
0.36 |
0.36 |
0.39 |
||