CY-SMD-4020-3040

承 认 SPECIFICATION 书 FOR APPROVAL 产品类型/DESCRIPTION : Magnetic Buzzer 产品型号/VENDER’S PART NO. : Cy-SMD-4020-3040 客户型号/CUSTOMER’S NO. : 客户确认签章/CUSTOMER’S APPROVRD SIGNATURE ADD:中国江苏常州武进庙桥新联工业集中区 58 号 TEL: +86-0519-88298758 FAX: +86-0519-86464158 Http: //www.smdbuzzer.net Approved By Checked By Made By ShenWuMing ZhangWei LiLin 2007-02-16 2007-02-16 2007-02-16 A. SCOPE This specification applies magnetic buzzer, ：Cy-SMD-4020-3040 B. SPECIFICATION No. Item Unit Specification condition 1 Oscilation Frequency Hz 4000 Vo-p=1/2duty,square wave 2 Operating Voltage VDC 2~4 3 Rated Voltage VDC 3 4 Current Consumption mA MAX.90 at Rated Voltage 5 Sound Pressure Level dB MIN.70 at 10cm at Rated Voltage 6 Coil Resistance Ω 17±3 7 Operating Temperature ℃ -20~+70 8 Storage Temperature ℃ -30~+80 9 Dimension mm 4.0×4.0×H2.0 10 Weight(MAX) gram 0.07 11 Housing Material LCP(Black) 12 Leading Pin Tin Plated Brass(Sn) 13 Environmental Protection Regulation RoHS C. APPEARANCE DRAWING：Tol: ±0.3 See appearance drawing See appearance drawing Unit: mm D.TESTING METHOD Standard Measurement Conditions: Temperature:25±2℃ Acoustic Humidity:45-65% Characteristics: The oscillation frequency, current consumption and sond pressure are measured by the measuring instruments shown below (Recommend Driving Circuit) In the measuring test, buzzer is placed as follows: E. Typical Frequency Response Curve F. Soldering Condition (1) Recommendable reflow soldering condition is as follows (Reflow soldering is twice) Note:It is requested that reflow soldering should be executedafter heat of product goes down to normal. Heat resistant line (Used when heat resistant reliability test is performed) (2) Manual soldering Manual soldering temperature 350℃ within 5 sec. G. RELIABILITY TEST NO. ITEM 1 High Temperature Test (Storage) After being placed in a chamber with 80±2℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. 2 Low Temperature Test (Storage) After being Placed in a chamber with -30±2 ℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ±10dB. Humidity Test After being Placed in a chamber with 90-95% R.H. at 40±2℃ for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test:±10dB. 3 TEST CONDITION AND REQUIREMENT The part shall be subjected to 5 cycles. One cycle shall be consist of： 4 Temperature Cycle Test The part shall be subjected to 5 cycles. One cycle shall be consist of： Drop Test Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm . Allowable variation of SPL after test: ±10dB. Vibration Test After 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: ±10dB. 7 Solderability Test Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +300±5℃ for 3±1 seconds . 90% min. lead terminals shall be wet with solder (Except the edge of terminals). 8 Terminal Strength Pulling Test The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. No visible damage and cutting off. 5 6 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 : 争议时测试条件 : a) Temperature : +25±2℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar a) 温度 : +25 ± 2℃ b) 湿度 : 60-70% c) 气压 : 860-1060mbar H. PACKING STANDARD