BeStar BMT0903H5.5-01 LF - Manual (Page 2)

40
0mm
100mm
Sounder
1.2 Test method:
1.1 Electrical and Mechanical Characteristics
1. Characteristics
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Checked by:
Approved by:
Drawn by:
Date:
3 2 1
Transducer
Page:1 of 5 DRG NO: BS/TET01.522B
BMT0903H5.5-01 LF
No. Item Specification
1. Rated Voltage(Square Wave) 3Vo-p
2. Operating Voltage 2...6Vo-p
3. a)Rated Current max.80mA
4. Coil Resistance 25
± 4Ω
5. b)Coil Impedance 45 Ω
6. a)Sound Output at 10cm Min.82dB
7. Rated Frequency 2731Hz
8. Operating Temperature -25...+70
°C
9. Storage Temperature -40...+80 °C
10. Weight 1g
a)Value applying at rated voltage.(2731Hz, square wave,1/2duty)
b)Value applying 2731Hz,sine wave,measuring 60 μA
REV. Drawn Date Note
1.21.Recommended Circuit 1.22.Standard text Fixture
No reaction in space with 40mm in all direction the following are examples of externally driven circuits.
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BMT0903H5.5-01 LF
Ec+
buzzer
red
black
8050
Square
signal
generator
A 05.10.12 韩学慧
07.10.18
魏奉玲
陶红仲
张秀琴
1K
B 07.10.18 魏奉玲