BeStar BMT1201H7.5SF-01 LF - Manual (Page 2)

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1. Characteristics
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BMT1201H7.5SF-01 LF
09/09/09
魏奉玲
徐 波
陶红仲
BMT1201H7.5SF-01 LF
DRG NO: BS/TET01.005B
Standard text Fixture
1.1Technical terms
1.2 Test method:
1.2.1.Recommended Circuit
red
the following are examples of externally driven circuits.
black
Square
signal
generator
Ec+
400
mm
100mm
buzzer
8050
1.0K
1.2.2.Standard text Fixture
No reaction in space with in 400mm in all direction
Sounder
No. Item Specifications
1
2
3
4
5
6
7
8
9
10
Operating Voltage 1...2Vo-p
Rated Voltage 1.5Vo-p
Coil Resistance 6.5 ±1 Ω
** Coil Resistance 16 Ω
* Sound Output at 10cm ≥ 80dB
Resonant Frequency 2048Hz
* Rated Current ≤ 70mA
Operating Temperature -25...+70
°C
Storage Temperature -30...+85 °C
Weight 2g
* Value applying rated voltage ( 2048Hz, 1/2duty,square wave)
** Value applying (2048Hz, sine wave,measuring current 60 μ A)
A 王善梅 04/03/24
B 魏奉玲 09/09/09 RohS
博 士 達