 |
PRODUCTS |
|
PIEZOELECTRIC CERAMICS |
 Material |
| Lead zirconate titanate (PZT) |
|
|
| Disc |
 |
Part No. |
Dimensions |
Resonant
frequency
fr
(kHz) |
Coupling
factor |
Static
capacitance
Cs
(pF) |
Diameter
D
(mm) |
Thickness
T
(mm) |
Kt
(%) |
Kp
(%) |
| PED15T21F1000S |
15 |
2.1 |
1000 |
40 |
-- |
1050 |
| PED15T07F3000S |
15 |
0.7 |
3000 |
40 |
-- |
3000 |
PED20T21F1000S |
20 |
2.1 |
1000 |
40 |
-- |
1900 |
PED20T07F3000S |
20 |
0.7 |
3000 |
40 |
-- |
5700 |
PED25T21F1000S |
25 |
2.1 |
1000 |
40 |
-- |
2800 |
| PED25T07F3000S |
25 |
0.7 |
3000 |
40 |
-- |
8400 |
| PED28T21F1000S |
28 |
2.1 |
1000 |
40 |
-- |
3800 |
| PED28T07F3000S |
28 |
0.7 |
3000 |
40 |
-- |
11200 |
| PED30T21F1000S |
30 |
2.1 |
1000 |
40 |
-- |
4000 |
| PED50T21F1000S |
50 |
2.1 |
1000 |
40 |
-- |
10000 |
| PED50T25F44R |
50 |
2.5 |
44 |
-- |
60 |
8500 |
| PED50T30F44R |
50 |
3.0 |
44 |
-- |
60 |
7400 |
|
|
| The above electrical properties are based on
Eleceram's QA material. |
| S represent full electrode for both surface,
R represent negative electrode reversed to the positive side. |
| |
| Ring |
 |
Part No. |
Dimensions |
Frequency
fr
(KHz) |
Coupling
factor
kr
(%) |
Static
capacitance
Cs
(pF) |
Outer
Diameter
D
(mm) |
Inner
Diameter
d
(mm) |
Thickness
T
(mm) |
| PED1585T07 |
15 |
8.5 |
0.7 |
91 |
35 |
2050 |
| PED2214T30 |
22 |
14.3 |
3 |
60 |
35 |
800 |
| PED2809T55 |
28 |
9 |
5.5 |
58 |
40 |
1250 |
PED3015T50 |
30 |
15 |
5 |
50 |
40 |
1300 |
PED3515T55 |
30 |
15 |
5.5 |
44 |
40 |
1800 |
| PED3813T63 |
38 |
12.7 |
6.3 |
44 |
40 |
2000 |
|
| The above electrical properties are based on
Eleceram's QA material. |
|
| Plate |
 |
| Part No. |
Dimension |
Frequency
fr
(KHz) |
Coupling factor |
Static capacitance Cs (pF) |
Length (mm) |
Width (mm) |
Thickness (mm) |
K31 (%) |
Kt (%) |
| PEL13W09T10 |
13 |
9 |
1 |
190 |
35 |
-- |
1500 |
| PEL26W16T07 |
26 |
16 |
0.7 |
108 |
45 |
-- |
6700 |
| PEL48W75T100 |
48 |
7.5 |
10 |
150 |
-- |
65 |
440 |
| PEL60W05T21F1000R |
60 |
5 |
2.1 |
1000 |
-- |
40 |
1700 |
|
| The above electrical properties are based on
Eleceram's QA material. |
|
| |
PIEZOELECTRIC CERAMIC MATERIALS
PROPERTIES
|
Characteristics |
Symbol |
QA |
QB |
P8 |
KA |
KB |
HD |
MD |
| Piezoelectric coefficient |
d33 (×10-12m/V) |
320 |
350 |
250 |
500 |
450 |
650 |
600 |
| Electromechanical coupling
factor |
Kp |
0.58 |
0.59 |
0.51 |
0.64 |
0.63 |
0.67 |
0.65 |
| Mechanical quality factor |
Qm |
1800 |
1600 |
1200 |
80 |
100 |
60 |
80 |
| Young's modulus |
Y33 (×1010N/m2) |
7.3 |
7.2 |
7.4 |
5.4 |
5.4 |
5.1 |
5.3 |
| Dielectric constant |
ε33T/ε0 |
140 |
1600 |
1000 |
2100 |
1850 |
3500 |
5000 |
| Dielectric loss |
tanδ (%) |
0.4 |
0.6 |
0.2 |
2.0 |
1.2 |
3.0 |
2.5 |
| Curie Temperature |
TC (℃) |
320 |
320 |
320 |
320 |
320 |
165 |
220 |
| Density |
ρ (g/cm3) |
7.9 |
7.9 |
7.6 |
8.0 |
8.0 |
8.0 |
7.9 |
| Application examples |
|
transformer, ultrasonic generator |
transformer, ultrasonic generator |
bolt-clamped transducer |
accelerometer, shock sensor |
ultrasonic sensor |
actuator |
actuator, ink jet, receiver |
|
| The material properties are measured according to IEEE
176-1987 standard. |
|
|
