Description, 3 test method, 2 electrical and mechanical characteristics – BeStar BPT1703H09-04 LF User Manual
Page 2: Piezo sounder, Recommended circuit 1.32.standard text fixture

400
mm
100mm
Sounder
1.3 Test method:
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Checked by:
Approved by:
Drawn by:
Date:
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1
Piezo Sounder
Page:2 of 6
DRG NO: BS/TEP01.810A
No. Item Specification
1. Rated Voltage(Square Wave) 3Vp-p
2. Operating Voltage 1...25Vp-p
3. a)Rated Current
max.2mA
4. Capacitance at 120Hz
20 30%nF
5. a)Sound Output at 2KHz,10cm Min.75dB
6. Resonant Frequency
2 KHz
7. Operating Temperature -40...+85 C
8. Storage Temperature -40...+85 C
9. Weight 1.5g 25%
a)Value applying at rated voltage.(3Vp-p square wave,1/2duty)
Rev.
Drawn
Date
Note
1.31.Recommended Circuit
1.32.Standard text Fixture
No reaction in space with in 400mm in all direction
the following are examples of externally driven circuits.
1) Unstable multi-vibrator using Tr.
2) Circuits using inverters or NAND gates.
1)
510
20k
20k
510
1k
1k
0.01 F
0.01 F
2)
1k
1k
Input
120k
1M
+V
+V
赵 峥
邱 俊
李红元
BPT1703H09-04 LF
BPT1703H09-04 LF
11/12/17
1.2 Electrical and Mechanical Characteristics
1. Description
1.1 The specification relates to the piezoelectric sounder intended to be used in alarm
sysytems. Please contact us before using any of the products in the applications not
described above.
博 士 達