產品規格書 Product Specification
壓電式蜂鳴器 (內含驅動線路)
Piezo Electric Buzzer (DC Type) Ver. 2.0
DATE : 2009-07-05
PF-21N30WQ PF-21N30WQ ISO 9002 and CE 環保無鉛 RoHS 下載規格書 Download Specification 點我放大 Click to Zoom in 材質 Material
Housing ( 外蓋 )ABS 777D UL94HB plastic resin
Color ( 顏色 )Black
Wire ( 線材 )28 AWG
Weight (Gram) ( 重量 )3.2
電氣特性 Electrical Characteristics
Oscillation Frequency ( 協振頻率 )3.0 ± 0.5KHz
Operating Voltage ( 操作電壓 )3 ~ 30Vdc
Rated Voltage ( 額定電壓 )12Vdc
Current Consumption ( Max. ) ( 耗電流 )12 at Rated VoltagemA
Sound Pressure Level ( Min. ) ( 音壓 )80 at 30 cm at Rated VoltagedB
Tone / Pulse Rate ( 音頻 / 斷續速率 )Fast Pulse 3.0Hz
Operating Temperature ( 工作溫度 )-20 ~ +70°C
Storage Temperature ( 儲存溫度 )-30 ~ +80°C
尺寸圖 Dimensions PF-21N30WQ
WIRE Type Unit:mm
頻率嚮應 曲線圖 Typical Frequency Response CurvePF-21N30WQ
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