SPECIFICATION
06
TOTAL PAGE
www.be-star.com
RoHS
Customer
Product No.Customer P/N
Model Name
Issue Date
Issue No. BS/TEP01.215C
12/02/14
032201
Date
Page
14 Feb. 12
01 of 06
Checked by
Drawn by
Customer approved
Approved by
BESTAR ELECTRONICS INDUSTRY CO.,LTD
No.199 HuangHe West Road.New district,ChangZhou,JiangSu Province,P.R.China
Tel: +86 519 88222567 Fax: +86 519 88222551
E-mail:wu@be-star.com http://www.be-star.com
FOR PIEZO ELECTRIC BUZZER
BPT2909H7.5 LF
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
and shall not be used in whole or in part without its written content
6 5 4 3 2 1
BPT2909H7.5 LF
DRG NO: BS/TEP01.215C
Piezo Sounder
Date:
Checked by:
Drawn by:
Approved by:
邱 俊
Drawn
A
Date
REV.
12/02/14
C
Note
B
12/02/14
www.be-star.com wu@be-star.com
张秀琴
赵 峥
邱 俊
C
A
Page:2 of 6
B
C
Item Specification
Rated Voltage(Square Wave) 9Vp-p
Operating Voltage 1-30Vp-p
*Rated Current max.5mA
*Sound Output at 10cm ,2500Hz min.85dB
Resonant Frequency 2500Hz
Capacitance at 120Hz 20000 30% pF
Operating Temperature -40...+85 C
Storage Temperature -40...+85 C
Weight 5g
*Value applying at rated voltage.
D
E
F
D
E
F
1.1 Electrical and Mechanical Characteristics
G
1. Characteristic:
456
BPT2909H7.5 LF
H
23
G
1
H
No reaction in space with in 400mm in all direction
Sounder
the following are examples of externally driven circuits.
1) Unstable multi-vibrator using Tr.
2) Circuits using inverters or NAND gates.
0.01 F
1)
510 20k
1k
0.01 F
Input
20k
510
+V
1k
400mm
120k
1k
1k
0.01 F
2)
1M
+V
100mm
1.21.Recommended Circuit
1.2 Test method:
1.22.Standard test Fixture