BeStar BPT-18 LF - Manual (Page 2)

BPT-18 LF
1. Characteristic
★1.1 Electrical and Mechanical Characteristics
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Page:1 of 7 ADRG NO: BS/TEP01.121D
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Note
Piezo Sounder
BPT-18 LF
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1.2. Frequency response
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No. Item Specification
1. Rated Voltage(Square Wave) 3.6 Vp-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.76dB
6. Resonant Frequency 2 0.5 KHz
7. Operating Temperature -30...+85 C
8. Storage Temperature -40...+85 C
9. Weight 1.7g 25%
a)Value applying at rated voltage.(3.6Vp-p square wave,1/2duty)
07/08/08 D 高 正
07/08/08
高 正
杨红烨
程久生
90
dB SPL
80
70
60
50
1K 5K 2K 10K Hz