福鼎通讯***D-040020F贴片蜂鸣器描述A.SCOPEThisspecificationappliesmagneticbuzzer,***D-040020F-03040B.SPECIFICATIONNo.ItemUnitSpecificationCondition1OscillationFrequencyHz4000Vo-p=1/2duty,squarew***e2OperatingVoltageVo-p2~43RatedVoltageVo-p34CurrentC***umptionmAMAX.90atRatedVoltage5SoundPressureLeveldBMIN.70at10cmatRatedVoltage6CoilResistanceΩ17&plu***n;37OperatingTemperature℃-20~+708StorageTemperature℃-30~+809Dimensionmm4.0x4.0xH2.0Seeappearancedrawing10Weight(MAX)gram0.111HousingMaterialLCP(Black)12LeadingPinTinPlatedBrass(Sn)Seeappearancedrawing13EnvironmentalProtectionRegulationRoHSC.APPEARANCEDRAWINGTol:&plu***n;0.3Unit:mm)