TXM6.7458M2491LDCE-O00T

序号Serial No.2019010904 TAE雅晶 致TO: 日期Date:2019-01-09 深圳华强聚丰电子科技有限公司 产品ITEM: 型号TYPE: 石英晶体谐振器 QUARTZ CRYSTAL UNITS HC-49SMD-2PIN (TXM6.7458M2491LDCE-O00T) 标称频率NOMINAL FREQUENCY: 6.7458MHz 20PF +/-20PPM 请收到我们的规格书后，签字回传。 Please confirm you received this specification,sign and fax it to us. 接收确认RECEIVING CONFIRMATION 日期DATA 接收RECEIVED 浙江雅晶电子有限公司 ZheJiang ABEL Electron Co.,Ltd. 浙江省台州经济开发区经一路655号 655 JingYi RD. Economic Developing Zone TaiZhou,ZheJiang,China 电话/Tel:0086-576-89025257/89025258/18305768201 传真/Fax:0086-576-88501859 Post Code:318000 URL:www.taecn.com Email: market@taecn.com tae@taecn.com 拟制Prepared by: 应金会 批准Confirmed by: 王琴飞 ABEL ELECTRON AT-CUT CRYSTAL UNITS(Metal-can Type) AT切石英晶体谐振器（HC49SMD) 浙江雅晶电子有限公司 HC-49SMD RoHS Compliant Standard Features 特性 Nominal Frequency:6.7458MHz 标称频率：6.7458MHz Excellent clock signal generator for CPU's适用于卓越的CPU时钟信号发生 器 Available in extended temperature range适用于宽广的温度范围 STANDARD SPECIFICATIONS 标准规格 Model Item Nominal Frequency 标称频率 HC-49SMD Conditions 6.7458MHz(Fund.) Need to specify Frequency Tolerance 调整频差 ±20ppm at 25℃ Freq. Tol. Over Temp. 温度频差 ±30ppm –40~+85℃ –55~+125℃ 70ΩMax. 20pF 7.0pF Max. –40~+85℃ Operating Temp. Range 工作温度范围 Storage Temp. Range Series Resistance 保存温度范围 谐振电阻 Load Capacitance 负载电容 Shunt Capacitance 静态电容 Drive Level Aging[first year] Insulation Resistance 激励电平 第一年老化率 绝缘阻抗 OUTLINE DRAWING OF HC-49SM SERIES http://www.taecn.com at 25℃ Need to specify 100μw Max. ±5ppm Max. 25±3℃ 500Mohm Min. DC100V±15V 可靠性1Reliability(Mechanical and Environmental Endurance) No. Test Items 1 振动 Vibration 2 冲击 Shock Test Method and Condition (1)振动频率Vibration Frequency 10 to 55Hz (2)振动幅度Vibration Amplitude 1.5mm (3)周期 Cycle Time 1-2min(10-55-10Hz) (4)振动方向Direction X.Y.Z (5)振动时间Duration 2h/each direction 从75cm高的地方自由跌落3次到30mm厚的硬木板上 3 Times free drop from 75cm height to hard wooden board of thickness more than 30mm ABEL ELECTRON 浙江雅晶电子有限公司 Page 1 of 2 Requirements 频率变化最大:±5ppm Frequency Change:±5ppm Max. 电阻变化最大:±15%或5ohm Resistance Change:±15% or 5ohm Max. 频率变化最大:±5ppm Frequency Change:±5ppm Max. 电阻变化最大:±15%或5ohm Resistance Change:±15% or 5ohm Max. 3 气密性 Leakage 晶体放入氦加压罐内，充入氦气压力0.5-0.6Mpa保持1小时; 然后使用氦质谱检漏仪测试。 Put crystal units into a hermetic container and Helium for 0.5-0.6 Mpa,and keep it for 1h;Check the leakage by a Helium leak detector 漏气率小于:1x10¯8mbar.l/s Leakage:1x10¯8mbar.l/s Max. 4 可焊性 Solderability 将引线浸入完全熔化的焊锡锅内3-5s，焊锡温度245℃±5℃ Put the leads of crystal units into solder melted tank for 3 to 5s Temperature of solder melted tank is 245℃±5℃ 浸过引线面积的95%以上被新焊锡 覆盖The dipped surface of the leads should be at least 95% covered with continuous new solder coating 频率变化最大:±5ppm Frequency Change:±5ppm Max. 5 回流焊接 HC-49SM系列晶体可以经受下图所示的回流焊曲线 Reflow soldering The profile of Fig. is for 电阻变化最大:±25%或10ohm Resistance Change:±25% or 10ohm Max. 可靠性2Reliability(Mechanical and Environmental Endurance) No.Test Items Test Method and Condition ABEL ELECTRON 浙江雅晶电子有限公司 Page 2 of 2 Requirements 6 引线强度(引线直插式 用0.9kg(9N)的力持续拉晶体引线30s±5s; 引线无异常 晶体) 用0.45kg的力折引线成90°2次(折弯处离机体1.5mm以上）； The crystal lead is not abnormity Lead Strength(DIP) The crystal lead with the 0.9kg(9N)power(keep it for 30s±5s) and bend the crystal lead 90° with 0.45kg power and two times （which you want to bend should be more than 1.5mm from the case) 7 耐高温能力 频率变化最大:±5ppm 晶体放置于85℃±2℃环境中 2小时后，常温放置1-2小时 High Temperature The crystal units shall be put in somewhere for 2 hours at Frequency Change:±5ppm Max. Endurance temperature of 85℃±2℃,then keep it for 1 to 2 hours under room 电阻变化最大:±15%或5ohm temperature Resistance Change:±15% or 5ohm Max 8 耐低温能力 晶体放置于-25℃ 环境中2小时后，常温放置1-2小时 Low Temperature The crystal units shall be put in somewhere for 2 hours at Endurance temperature of -25℃,then keep it for 1 to 2 hours under room temperature 9 耐湿性 晶体放置于40℃ 、相对湿度90-95%环境中48小时后，常温放 Humidity Endurance 置1-2小时The crystal units shall be put in somewhere at 40℃ in relative humidity of 90-95% for 48 hours,then keep it for one or two hours under room temperature 10 高低温循环 温度从-40℃（保持30分钟）升高到100℃（保持30分钟），再降 Temperature Cycle 到-40℃（保持30分钟）然后回到室温25℃完成一个循环，共计 5个循环Temperature shift from low(-40℃) to high(100℃,keep 30 minutes),satisfy high(100℃) to low(-40℃,keep 30 minutes),then go up to room temperature for 5 cycles ABEL ELECTRON 使用说明Processing Instructions 浙江雅晶电子有限公司 下面的说明和信息供用户正确理解和使用我们公司的石英晶体系列产品，预防不当的加工方式 对石英晶体的损坏，确保用户设备的可靠性 The following instructions and information are provided for the purpose of having the user understand the proper way to process our crystal products to prevent problems prior to use and enhance the reliability of the equipment to which they are applied. PROCESSING INSTRUCTIONS No. 1 石英晶体意外跌落When dropped by mistake 设计和制造的石英晶体本身具有耐冲击能力,但是当石英晶体组件经受剧烈的机械冲击，如跌落到地板上或安装期间剧烈震 动时，在使用之前需要进行电性能确认 The crystal units are designed and manufactured to resist physical shocks.However,when the crystal units are subjected to excessive impact such as being dropped onto the floor or giving shocks during processing,need to make sure its satisfactory performance before using it. 2 回流炉焊接曲线Soldering 250℃ The REFLOW SOLDERING PROFILE as below is recommended for HC-49SM 3 石英晶体组件的清洗CLEANING (1)恶劣的超声波清洗或超声波焊接可能会影响和损坏石英晶体组件。如果您对晶体组件进行了超声波清洗，请一定在使用前 确认晶体组件是否受到了影响和损坏 Crystal units may be sffected and destroyed at worst by supersonic cleaning or supersonic welding.Please be sure to check if your cleaning and welding process sffects any damage to crystal units before using. (2)有些清洗液也可能造成晶体组件的损坏，请在使用清洗液前确认该清洗液是否适用 Some kinds of cleaning fluid may cause any damage to crystal units.Please be sure to check suitability of the cleaning fluid in advance. 4 贮存STORAGE 石英晶体组件长时间贮存在高温或高湿环境中，可能会影响频率的稳定性或可焊性。请将晶体组件贮存在正常的温度和湿度 环境中，避免阳光直射和露水凝结，避免贮存6个月以上再使用，拆封后尽快装配使用。 Storage of crystal units under higher temperature or high humidity for a long term may affects frequency stability or solderability. Please store the crystal units under the normal temperature and humidity without exposing to direct sunlight and dew condensation ,and avoid the storage of crystal units for more than 6 months,and mount them as soon as possible after unpacking.