產品介紹

壓電式蜂鳴器 (內建驅動線路)
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LF-PB42W29D Piezoelectric Buzzer for driver circuit built-in
規格說明
Sound Pressure Level ( dB min. ) 10cm 110
Current Consumption 9VDC ( mA ) 20.0 max.
Oscillating Frequency ( ± 0.5KHz ) 2.9 Dual tone
Working Voltage ( VDC ) 1.5~20
Operating Temp. ( ºC ) -20 ~ +85
Weight (gms) 15
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