BeStar BSP1212-03H03-01 LF - Manual (Page 2)

40
0mm
100mm
Sounder
1.3 Test method:
1.2 Electrical and Mechanical Characteristics
1. Description
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Checked by:
Approved by:
Drawn by:
Date:
3 2 1
Piezo Sounder
Page:2 of 7 DRG NO: BS/TEP01.680B
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 16 30%nF
5. a)Sound Output at 4KHz,10cm Min.75dB
6. Resonant Frequency 4 KHz
7. Operating Temperature -40...+85 C
8. Storage Temperature -40...+85 C
9. Weight 0.35g 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
www.be-star.com [email protected]
赵 峥
邱 俊
李红元
BSP1212-03H03-01 LF
BSP1212-03H03-01 LF
10/09/02
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