Product:PiezoelectricBuzzersA&TPartNo：AT3028DL(220mm)TechnicalTermsResonantFrequency(KHZ)3.1&plu***n;0.3RatedVoltage(VDC)24.0OperatingVoltage(VDC)3.0~30.0Max.CurrentC***umptionatRatedVoltage(mA)10Min.SoundOutputat10cmatRatedVoltage(dB)90OperatingTemperature(0C)-20~+70StorageTemperature(0C)-30~+80EnvironmentalProtectionRegulationROHSBuzzerSolderingprocessSolderingParameterTemp.(0C)Time(Sec.)TimesInclusiveLeadReflowsoldering230&plu***n;10above1700Ctime40~702W***esoldering245&plu***n;53~61~2Manualsoldering330&plu***n;101~21~2LeadFreeReflowsoldering245&plu***n;15above1800Ctime40~703★W***esoldering260&plu***n;54~82~3★Manualsoldering350&plu***n;101~32~3Remark:★A&TInstanceSolderingProcess)