V20W Datasheet, PDF (10/24 Pages) List of Unclassifed Manufacturers – PIEZOELECTRIC ENERGY HARVESTERS

V21B TYPICAL PERFORMANCE POWER CHARACTERISTICS
Tuned to 275 Hz | 0 gram Tip Mass
0.3
0.250 g, Pmax=0.010 mW
0.375 g, Pmax=0.030 mW
0.25
0.500 g, Pmax=0.061 mW
1.000 g, Pmax=0.250 mW
0.2
0.15
0.1
0.05
0
-0.05
-1
0
1
2
3
4
5
6
7
Operating Voltage
Tuned to 175 Hz | 1 gram Tip Mass
0.7
0.250 g, Pmax=0.049 mW
0.375 g, Pmax=0.108 mW
0.6
0.500 g, Pmax=0.188 mW
1.000 g, Pmax=0.658 mW
0.5
0.4
0.3
0.2
0.1
0
-0.1
-2
0
2
4
6
8
10
12
Operating Voltage
Tuned to 140 Hz | 2.4 gram Tip Mass
1.4
0.250 g, Pmax=0.114 mW
0.375 g, Pmax=0.248 mW
1.2
0.500 g, Pmax=0.379 mW
1.000 g, Pmax=1.311 mW
1
0.8
0.6
0.4
0.2
0
-0.2
-2
0
2
4
6
8 10 12 14 16 18
Operating Voltage
Tuned to 105 Hz | 4.8 gram Tip Mass
2.5
0.250 g, Pmax=0.262 mW
0.375 g, Pmax=0.475 mW
2
0.500 g, Pmax=0.795 mW
1.000 g, Pmax=2.252 mW
1.5
1
0.5
0
-0.5
-5
0
5
10
15
20
25
Operating Voltage
V21B RELATION BETWEEN TIP MASS & NATURAL FREQUENCY
260
240
220
200
180
160
140
120
100
80
0
1
2
3
4
5
Tip Mass (grams)
Tip Mass
Fn
Amplitude
(gram)
(Hz)
(g)
0
275
0.25
0
275
0.375
0
275
0.5
0
275
1
1
175
0.25
1
175
0.375
1
175
0.5
1
175
1
2.4
140
0.25
2.4
140
0.375
2.4
140
0.5
2.4
140
1
4.8
105
0.25
4.8
105
0.375
4.8
105
0.5
4.8
105
1
* piezo wafers connected in series
Open Circuit
Voltage*
4.1
5.9
7.6
12.3
7.6
10.9
13.6
23.5
10.9
15.2
18.8
32
15.9
21.6
28.1
46.5
REVISION N0. 002 REVISION DATE: 01-23-2013
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