有源壓電式蜂鳴器 通電就響 滴。。。。。滴。。。。。。滴。。。。。。
HYD-4216W
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| SPECIFICATIONS |
| Type |
Unit
|
HYD-4216W
| | Rated Voltage(Square Wave) |
V
|
12
|
24
|
36
|
48
| | Operating Voltage |
V
|
8-15
|
20-26
|
30-38
|
42-50
| | *Rated Current(MAX) |
mA
|
11
|
24
|
39
|
51
| | *Min Sound Output at 10 cm |
dB
|
90
|
90
|
90
|
95
| | *Resonant Frequency |
Hz
|
2700±500
| | Operating Temperature |
℃
|
-20～+80
| | Weight |
g
|
12
|
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