压电陶瓷片[资料]

压电陶瓷片[资料] 承 认 书 Specification For Approval 产 品 名 称 Φ23压电无源蜂鸣器 PRODUCT NAME 鑫 亚 图 产 品 型 号 AT2311TEW35mm A&T PART NUMBER 客户型号 / 客户名称 Customer’s Model No/Customer’s 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 审 核 拟 制 Drafted by Approved By Checked By PIEZOELECTRO TRANSDUCER SPECIFICATION Customer: 晨迅达科技 Part No: Product: Magnetic Buzzers A&T Part No:AT2311TEW35mm Technical Terms Resonant Frequency (KHZ) 11?0.5 Rated Voltage (V) 5.0 P-P Operating Voltage (V) 1~30 P-P Max. Current Consumption at Rated Voltage (mA) 2.0 Capacitance at 1000Hz (Pf) 30000?30% Min. Sound Output at 30cm at Rated Voltage (dB) 90 0Operating Temperature (C) -20~+70 0Storage Temperature (C) -30~+80 Housing Material ABS(Black) Environmental Protection Regulation RoHS Buzzer Soldering Parameter 0 Soldering process Temp.(C) Time(Sec.) Times 0 Reflow soldering 230?10 above 170C time 40~70 2 Inclusive Wave soldering 245?5 3~6 1~2 Lead Manual soldering 330?10 1~2 1~2 0 Reflow soldering 245?15 above 180C time 40~70 3 ? Lead Free Wave soldering 260?5 4~8 2~3 ? Manual soldering 350?10 1~3 2~3 Remark: ?A&T Instance Soldering Process APPEARANCE DRAWING Tol : ? 0.5 Unit: mm MORE SPECIFICATIONS FOR PIEZOELECTRO TRANSDUCER 1、Scope This 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 Screen Mic. + Amp. Can be replaced by a SPL meter. 2.1 Measuring Condition:Temperature:15—35? R.H.45—75% 2.2 Judgement Condition:Temperature:20?2? R.H.45—75% 3.Mechanical and Environment Characteristics. No. ITEM TEST CONDITION AND REQUIREMENT After being placed in a chamber with 85?2? for 96 hours and then being placed High Temperature 1 Test (Storage) in natural condition for 2 hours.Allowable variation of SPL after test: ?10dB. After being Placed in a chamber with -40?2? for 96 hours and then being Low Temperature 2 placed in natural condition for 2 hours.Allowable variation of SPL after test: Test (Storage) ?10dB. After being Placed in a chamber with 90—95% R.H. at 40?2?for 96 hours and 3 Humidity Test then being placed in natural condition for 2 hours. Allowable variation of SPL after test: ?15dB. After being placed in a chamber with -40?2? 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 +85?2?.After 30 minutes at this Temperature Cycle 4 temperature, products shall be return to room temperature (+20?) for15 minutes. Test After 5 above cycles, products shall be measured after being placed in natural condition for 4 hours. Allowable variation of SPL after test: ?15dB. Drop on a hard wood board of 3cm thick, any directions, 3 times, at the height of 5 Drop Test 80cm. Allowable variation of SPL after test: ?10dB. After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of 6 Vibration Test vibration frequency to each of 3 perpendicular directions for 2 hours.Allowable variation of SPL after test: ?10DbB. Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +230?5? for 3?0.5 seconds 90% min. lead terminals shall be wet with 7 Solderability Test solder(Except the edge of terminals). Terminal Strength The force of 2N is applied to each terminal in axial direction for 10 seconds. 8 Pulling Test 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 : 860-1060mbar Judgment Test Condition:a) Temperature : +25 ? 2? b) Humidity : 60-70% c) Pressure : 860-1060mbar 争议时测试条件:a) 温度 : +25 ? 2? b) 湿度 : 60-70% c) 气压 : 860-1060mbar 4、Sample Frequency Response