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

400mm
100mm
Sounder
1.3 Test method:
1.2 Electrical and Mechanical Characteristics
1. Characteristics
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Checked by:
Approved by:
Drawn by:
Date:
3 2 1
Piezo Sounder
Page:1 of 6 DRG NO: BS/TEP01.425B
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 20 30%nF
5. a)Sound Output at 4KHz,10cm Min.75dB(after reflow no changes)
6. Resonant Frequency 4 KHz
7. Operating Temperature -20...+70 C
8. Storage Temperature -30...+80 C
9. Weight 0.35g 25%
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
1.1 Features
1. SMD;thinner , smaller size
2. High S.P.L.; and clear sound
3. Reflowable;RoHS complant
4. Tape & Reel supply
5. Minimum quantity (one reel): 1000 pcs.
Colour: black
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)
510Ω 20kΩ 20kΩ 510Ω 1kΩ
1kΩ 0.01μF 0.01μF
2)
1kΩ
1kΩ
Input
120kΩ
1MΩ +V
+V
www.be-star.com [email protected]
BESTAR ELECTRONICS INDUSTRY CO.,LTD
邱 俊
李红元
张秀琴
邱 俊 B
BSP1212-03H03 LF
BSP1212-03H03 LF
08/3/5
08/3/5