V20W Datasheet, PDF (8/24 Pages) List of Unclassifed Manufacturers – PIEZOELECTRIC ENERGY HARVESTERS

V20W TYPICAL PERFORMANCE POWER CHARACTERISTICS
Tuned to 180 Hz | 0 gram Tip Mass
1.8
0.250 g, Pmax=0.159 mW
1.6
0.375 g, Pmax=0.328 mW
0.500 g, Pmax=0.606 mW
1.4
1.000 g, Pmax=1.719 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 130 Hz | 2.4 gram Tip Mass
3
0.250 g, Pmax=0.272 mW
0.375 g, Pmax=0.573 mW
2.5
0.500 g, Pmax=0.883 mW
1.000 g, Pmax=2.692 mW
2
1.5
1
0.5
0
-0.5
-2
0
2
4
6
8
10
12
14
16
Operating Voltage
Tuned to 95 Hz | 7.8 gram Tip Mass
3.5
0.250 g, Pmax=0.532 mW
0.375 g, Pmax=0.969 mW
3
0.500 g, Pmax=1.428 mW
1.000 g, Pmax=3.005 mW
2.5
2
1.5
1
0.5
0
-0.5
-2
0
2
4
6
8 10 12 14 16 18
Operating Voltage
Tuned to 75 Hz | 15.6 gram Tip Mass
6
0.250 g, Pmax=0.717 mW
0.375 g, Pmax=1.470 mW
5
0.500 g, Pmax=2.394 mW
1.000 g, Pmax=5.860 mW
4
3
2
1
0
-1
-5
0
5
10
15
20
25
30
Operating Voltage
V20W RELATION BETWEEN TIP MASS & NATURAL FREQUENCY
160
150
140
130
120
110
100
90
80
70
60
0
2
4
6
8
10
12
14
16
Tip Mass (grams)
Tip Mass
Fn
Amplitude
(gram)
(Hz)
(g)
0
180
0
180
0
180
0
180
2.4
130
2.4
130
2.4
130
2.4
130
7.8
95
7.8
95
7.8
95
7.8
95
15.6
75
15.6
75
15.6
75
15.6
75
0.25
0.375
0.5
1
0.25
0.375
0.5
1
0.25
0.375
0.5
1
0.25
0.375
0.5
1
* piezo wafers connected in series
Open Circuit
Voltage*
4.7
6.5
7.7
12.8
6.7
9
11
18
8.3
11.8
16.4
23.1
13.3
19
22.6
34.7
REVISION N0. 002 REVISION DATE: 01-23-2013
8