压电陶瓷片.doc

承 认 书Specification For Approval产 品 名 称23压电无源蜂鸣器PRODUCT NAME鑫 亚 图 产 品 型 号AT2311TEW35mmA&T PART NUMBER客户型号 / 客户名称Customers Model No/Customers Name客户确认：（签署和签章）Approved By:(Signature and Chop) 日期Date: 年YY 月MM 日DD批 准 Approved By审 核Checked By拟 制Drafted byPIEZOELECTRO TRANSDUCER SPECIFICATION Customer: 晨迅达科技Part No:Product: Magnetic BuzzersA&T Part No：AT2311TEW35mmTechnical TermsResonant Frequency (KHZ)110.5Rated Voltage (VP-P)5.0Operating Voltage (VP-P)130Max. Current Consumption at Rated Voltage (mA)2.0Capacitance at 1000Hz (Pf)3000030%Min. Sound Output at 30cm at Rated Voltage (dB)90Operating Temperature (0C)-20+70Storage Temperature (0C)-30+80Housing MaterialABS(Black)Environmental Protection RegulationRoHSBuzzer Soldering processSoldering ParameterTemp.( 0C)Time(Sec.)TimesInclusive LeadReflow soldering23010above 1700C time 40702Wave soldering24553612Manual soldering330101212Lead FreeReflow soldering24515above 1800C time 40703Wave soldering26054823Manual soldering350101323Remark: A&T Instance Soldering ProcessAPPEARANCE DRAWING Tol : 0.5 Unit: mm MORE SPECIFICATIONS FORPIEZOELECTRO TRANSDUCER1、ScopeThis specification is applied to PASSIVE PIEZOELECTRO TRANSDUCER.The products described below are used for sounder in various alarm systems. 2、 Measuring Circuit Input Signal: Square Wave, 1/2 duty. S.G: Signal Generator mA: Milliammcter Amp: Amplifier Mic.: Measuring Condenser Microphone DSP: Display ScreenMic. + Amp. Can be replaced by a SPL meter.2.1 Measuring Condition：Temperature:1535 R.H.4575%2.2 Judgement Condition：Temperature:202 R.H.4575%3.Mechanical and Environment Characteristics.No.ITEMTEST CONDITION AND REQUIREMENT1High TemperatureTest (Storage)After being placed in a chamber with 852 for 96 hours and then being placed in natural condition for 2 hours.Allowable variation of SPL after test: 10dB.2Low TemperatureTest (Storage)After being Placed in a chamber with -402 for 96 hours and then being placed in natural condition for 2 hours.Allowable variation of SPL after test: 10dB.3Humidity TestAfter being Placed in a chamber with 9095% R.H. at 402for 96 hours and then being placed in natural condition for 2 hours.Allowable variation of SPL after test: 15dB.4Temperature CycleTestAfter being placed in a chamber with -402 for 30 minutes, products shall be placed at room temperature(20).After 15 minutes at this temperature, products shall be placed in a chamber at +852.After 30 minutes at this temperature, products shall be return to room temperature (+20) for15 minutes. After 5 above cycles, products shall be measured after being placed in natural condition for 4 hours. Allowable variation of SPL after test: 15dB.5Drop TestDrop on a hard wood board of 3cm thick, any directions, 3 times, at the height of 80cm. Allowable variation of SPL after test: 10dB.6Vibration TestAfter being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours.Allowable variation of SPL after test: 10DbB.7Solderability TestLead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +2305 for 30.5 seconds 90% min. lead terminals shall be wet with solder(Except the edge of terminals).8Terminal StrengthPulling TestThe force of 2N is applied to each terminal in axial direction for 10 seconds.No visible damage and cutting off.TEST CONDITION.Standard Test Condition:a) Temperature : +5 +35 b) Humidity : 45-85% c) Pressure : 860-1060mbar一般测试条件:a) 温度 : +5 +35 b) 湿度 : 45-85% c) 气压 : 860-10