描述A.SCOPEThisspecificationappliespiezobuzzer,***D-220070F-12040TJB.SPECIFICATIONNo.ItemUnitSpecificationCondition1OscillationFrequencyHz4000SquareW***e2OperatingVoltageVp-p1~253RatedVoltageVp-p124CurrentC***umptionmAMAX.5atRatedVoltage5SoundPressureLeveldBMIN.90at10cmatRatedVoltage6ElectrostaticCapacitypF19000&plu***n;30%at100Hz1V7OperatingTemperature℃-30~+708StorageTemperature℃-40~+809DimensionmmΦ22xH7Seeappearancedrawing10Weight(MAX)gram4.011HousingMaterialPPS(Black)12LeadingPinTinPlatedBrass(AU)Seeappearancedrawing13EnvironmentalProtectionRegulationRoHSC.APPEARANCEDRAWINGTol:&plu***n;0.3Unit:mm)