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

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400

mm

100mm

Sounder

1.3 Test method:

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Checked by:

Approved by:

Drawn by:

Date:

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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

www.be-star.com

[email protected]

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

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