V20W Datasheet, PDF (9/24 Pages) List of Unclassifed Manufacturers – PIEZOELECTRIC ENERGY HARVESTERS

V25W TYPICAL PERFORMANCE POWER CHARACTERISTICS
Tuned to 120 Hz | 0 gram Tip Mass
1.6
0.250 g, Pmax=0.123 mW
1.4
0.375 g, Pmax=0.276 mW
0.500 g, Pmax=0.471 mW
1.000 g, Pmax=1.468 mW
1.2
1
0.8
0.6
0.4
0.2
0
-0.2
-2
0
2
4
6
8
10
12
Operating Voltage
Tuned to 75 Hz | 2.4 gram Tip Mass
2.5
0.250 g, Pmax=0.134 mW
0.375 g, Pmax=0.292 mW
2
0.500 g, Pmax=0.513 mW
1.000 g, Pmax=2.431 mW
1.5
1
0.5
0
-0.5
-2
0
2
4
6
8 10 12 14 16 18
Operating Voltage
Tuned to 50 Hz | 7.8 gram Tip Mass
8
0.250 g, Pmax=0.590 mW
7
0.375 g, Pmax=1.194 mW
0.500 g, Pmax=2.075 mW
1.000 g, Pmax=7.220 mW
6
5
4
3
2
1
0
-1
0
5
10
15
20
25
Operating Voltage
Tuned to 40 Hz | 15.6 gram Tip Mass
10
0.250 g, Pmax=0.931 mW
0.375 g, Pmax=1.763 mW
8
0.500 g, Pmax=2.972 mW
1.000 g, Pmax=9.231 mW
6
4
2
0
-2
-5
0
5
10
15
20
25
30
Operating Voltage
V25W RELATION BETWEEN TIP MASS & NATURAL FREQUENCY
130
120
110
100
90
80
70
60
50
0
1
2
3
4
5
6
7
8
Tip Mass (grams)
Tip Mass
Fn
Amplitude
(gram)
(Hz)
(g)
0
120
0.25
0
120
0.375
0
120
0.5
0
120
1
2.4
75
0.25
2.4
75
0.375
2.4
75
0.5
2.4
75
1
7.8
50
0.25
7.8
50
0.375
7.8
50
0.5
7.8
50
1
15.6
40
0.25
15.6
40
0.375
15.6
40
0.5
15.6
40
1
* piezo wafers connected in series
Open Circuit
Voltage*
3.2
4.4
5.5
10.1
4.7
6.5
7.5
11.5
10.3
15.4
18.6
29.5
14.5
21.2
27
36.6
REVISION N0. 002 REVISION DATE: 01-23-2013
9