TXD20.000M2491LDCE-O00S

序号Serial No.2019010903 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-49S-2PIN (TXD20.000M2491LDCE-O00S) 标称频率NOMINAL FREQUENCY: 20.000MHz 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) RoHS Compliant Standard AT切石英晶体谐振器（HC-49S) 浙江雅晶电子有限公司 HC-49S-2PIN Features 特性 标称频率：20.000MHz Nominal Frequency: 20.000MHz 适用于卓越的CPU时钟信号发生器 Excellent clock signal generator for CPU 适用于宽广的温度范围 Available in extended temperature range STANDARD SPECIFICATIONS 标准规格 Model Item HC-49S-2PIN Conditions Nominal Frequency 标称频率 20.000MHz(Fund.) Frequency Tolerance 调整频差 ±20ppm at 25℃ Freq. Tol. Over Temp. 温度频差 ±30ppm –40 ～ +85℃ Operating Temp. Range 工作温度范围 –40 ～ +85℃ Storage Temp. Range 保存温度范围 –55 ～ +125℃ Series Resistance 谐振电阻 50ohmMax. Load Capacitance 负载电容 20 pF Shunt Capacitance 静态电容 7.0pF Max. 激励电平 100μw Max. Drive Level Aging[first year] Insulation Resistance at 25℃ 第一年老化率 ±5ppm Max. 25±3℃ 绝缘阻抗 500Mohm Min. 100VDC±15VDC OUTLINE DRAWING OF HC-49S-2PIN（mm） 13.20±0.5 http://www.taecn.com ABEL ELECTRON 可靠性1Reliability(Mechanical and Environmental Endura 浙江雅晶电子有限公司 Page 1 of 2 No. Test Items 1 振动 Vibration 2 跌落 Droping Test Method and Condition Requirements (1)振动频率Vibration Frequency 10 to 55Hz 频率变化最大:±10ppm (2)振动幅度Vibration Amplitude 1.5mm Frequency Change:±10ppm Max. (3)周期 Cycle Time 1-2min(10-55-10Hz) 电阻变化最大:±15%或5ohm (4)振动方向Direction Resistance Change:±15% or X.Y.Z (5)振动时间Duration 2h/each direction 5ohm Max. 从75cm高的地方自由跌落3次到3cm厚的硬木板上 频率变化最大:±10ppm 3 Times free drop from 75cm height to hard wooden Frequency Change:±10ppm Max. board of thickness more than 30mm 电阻变化最大:±15%或5ohm Resistance Change:±15% or5ohm Max 3 密封性 Leakage 4 可焊性 Solderability 5 可焊性 Weldability 晶体放入水中(去气的水中)，水面的气压≤8.5KPa ，持续10min 无来自晶体谐振器内部气体或空气 Putting crystal in the water (no gas in the water) for 10 minutes.The pressure on the surface of the water is less than 8.5KPa 排出。 No gas is excluded from the crystal. 将引线浸入完全熔化的焊锡锅内3-5s，焊锡温度245℃±5℃ 润湿力≥理论润湿力的90% Put the leads of crystal units into solder melted tank for 3 to 5s Wetting force is more than 90% Temperature of solder melted tank is 245℃±5℃ of the theory of wetting force 将引线浸入完全熔化的焊锡锅內3-5s，焊锡温度245℃±5℃ 频率变化最大:±10ppm Put the leads of crystal units into solder melted tank for 3 to 5s Frequency Change:±10ppm Max. Temperature of solder melted tank is 245℃±5℃ 外观无机械损伤 Appearance without mechanical damage 5 耐焊接热 Solder heat resistance 将晶体的引线浸入260±5℃的焊槽内，持续5±1s. 频率变化最大:±10ppm Put the leads of crystal into welding groove for 5±1 s Frequency Change:±10ppm Max. Temperature of welding groove is 245℃±5℃ 电阻变化最大:±15%或5ohm Resistance Change:±15% or 5ohm Max. ABEL ELECTRON 可靠性2Reliability(Mechanical and Environmental Endurance) 浙江雅晶电子有限公司 Page 2 of 2 No. 6 Test Items 引线强度 Lead Strength Test Method and Condition 用20N的力持续拉晶体引线10±1s; Requirements 频率变化最大:±10ppm 用5N的力折引线成90°，3次(折弯处离机体2.5±0.5mm以上）； Frequency Change:±10ppm Max. The crystal lead with the 20N power(keep it for 10s±1s) 电阻变化最大:±15%或5ohm Bend the crystal lead 90° with the 20N power and three times.（which you want to bend should be more than 1.5mm from the case) Resistance Change:±15% or 5ohm Max 晶体放置于85℃环境中96小时后，常温放置2小时 频率变化最大:±10ppm High Temperature The crystal units shall be put in somewhere for 96 hours at Frequency Change:±10ppm Max. Endurance temperature of 85℃,then keep it for 2 hours under room 电阻变化最大:±15%或5ohm temperature Resistance Change:±15% or 5ohm Max 晶体放置于-40℃ 环境中96小时后，常温放置2小时 频率变化最大:±10ppm Low Temperature The crystal units shall be put in somewhere for 96 hours at Frequency Change:±10ppm Max. Endurance temperature of -40℃,then keep it for 2 hours under room 电阻变化最大:±15%或5ohm temperature Resistance Change:±15% or 5ohm Max 晶体放置于85℃ 、85%RH环境中96小时后，常温放置2小时 频率变化最大:±10ppm 7 耐高温能力 8 耐低温能力 9 高温高湿 Humidity Endurance 10 温度冲击 Temperature Cycle The crystal shall be put in somewhere at 85℃ in relative humidity of 85% for 96 hours,then keep it for 2 hours under room temperature Frequency Change:±10ppm Max. 电阻变化最大:±15%或5ohm Resistance Change:±15% or 5ohm Max 温度从-40℃（保持30分钟）升高到85℃（保持30分钟）， 频率变化最大:±10ppm 再降到-40℃（保持30分钟）完成一个循环，温度转换时间 Frequency Change:±10ppm Max. 2~3 min ，共计5个循环。常温放置2小时 电阻变化最大:±15%或5ohm Temperature shift from low(-40℃) to high(85℃，keep 30 minutes),Resistance Change:±15% or 5ohm Max satisfy high (85℃) to low(-40℃,keep 30 minutes),conversion time for 2~3 min, a total of 5 cycles , then keep it for 2 hours under room temperature 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-49S 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.