|
|
Type
|
HC12-04A
|
HC12-04B |
|
Rated
Voltage
(V)
|
1.5 |
1.5 |
|
Operating
Voltage (V)
|
1~2 |
1~2 |
|
Rated
Current (MA)
|
< 70 |
<
70 |
|
Coil
Resistance (ohm) |
6.5 ± 1.0 |
6.5 ± 1.0 |
|
Coil
Impedance (ohm) |
16
|
22 |
|
Sound
Output at 10cm (dB) |
>
80 |
>
85 |
|
Resonant
Frequency (Hz) |
2048 |
2731 |
|
Operating
Temperature (C) |
-25~+70 |
-25~+70 |
|
Storage
Temperature (C) |
-30~+80 |
-30~+80 |
|
Weight
(g) |
2 |
2 | Value applying rated voltage (resonant
frequency,1/2duty,square wave)
Value applying(
resonant frequency ,sine ware, measuring current 60
uA)
|
|
|
