Description, Piezo sounder, Recommended circuit 1.32.standard test fixture – BeStar BSP1010-03H03 LF User Manual
Page 2
40
0mm
100mm
Sounder
1.3 Test method:
1.2 Electrical and Mechanical Characteristics
1. Description
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Piezo Sounder
Page:2 of 7
No. Item Specification
1. Rated Voltage(Square Wave) 3 Vp-p
2. Operating Voltage 1...25Vp-p
3. a)Rated Current
max.1mA
4. Capacitance at 120 Hz
10 30%nF
5. a)Sound Output at 2KHz,10cm Min.70dB
6. Resonant Frequency
2 KHz
7. Operating Temperature -40...+85 C
8. Storage Temperature -40...+85 C
9. Weight 0.33g 25%
10.
a)Value applying at rated voltage.(3Vp-p square wave,1/2duty)
Rev.
Drawn
Date
Note
1.31.Recommended Circuit
1.32.Standard test 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
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.
Plating layer of plate
Tin
博 士 達
BSP1010-03H03 LF
BSP1010-03H03 LF
DRG NO: BS/TEP01.778A
李红元
邱 俊
10/08/16
赵
峥