SMD31327681252090

承 认 书 SPECIFICATION FOR APPROVAL 客户名称：Customer 货 3215 石英晶体谐振器 名：Description 客户料号： Part No 物料编号： Code No SMD31327681252090 32.768KHz 频 率：Frequency 日 期：Date 备 注：RoHS compliance with Directive (EU) 2015/863 2023年 0 4 月 1 8 日 制作(Prepare by) 检查(Check by) 批准（Approve by） 江丹娜 甘瑛 张刚 客户批准 Approve by customer 批准日期 Approval date Add:广东省深圳市华发北路桑达工业区桑达雅苑 7P 7 P Sangda Yayuan Huafa North Road, Futian District, Shenzhen, Guangdong Tel: 86-755-83048260 86-755-83048290 Fax: 86-755-83048280 www.jghcorp.com ShenZhen JingGuangHua Electronics Co.，Ltd. 1.Specifications Item Nominal Frequency Frequency Tolerance Symbol MIN. FO ∆F/Fo TYP. 32.768 -20 CL 12.5 Drive Level DL 0.1 ESR ppm 1 uW 70 KΩ 1.2 pF C0 0.6 Insulation Resistance IR 500 Turnover Temperature TP 20 Frequency V.S Temperature Curve K Operating Temperature Range - -40 85 ℃ Storage Temperature Range - -50 125 ℃ ∆f/f -5 5 ppm www.jghcorp.com MΩ 25 Notes Refer to @25±3℃ pF Shunt Capacitance Aging 0.9 Unit KHz 20 Load Capacitance Equivalent Series Resistance MAX. 30 Refer to @25±3℃ @DC 100 Volt ℃ ppm/℃2 -0.036 Per Year ShenZhen JingGuangHua Electronics Co.，Ltd. 2.Dimensions 3.Recommended soldering pattern www.jghcorp.com ShenZhen JingGuangHua Electronics Co.，Ltd. 4. Recommended Reflow Profile Per heating temperature:+170℃ Peak temperature must not exceed=260℃ And the duration of over +220℃should be 35s 5.Reliability specifications www.jghcorp.com ShenZhen JingGuangHua Electronics Co.，Ltd. Test Items Vibration Shock Test Method and Condition (1)Vibration Frequency 10 to 55Hz (2)Vibration Amplitude 1.5mm (3) Cycle Time Frequency Change:±10ppm Max. 1-2min(10-55-10Hz) (4)Direction X.Y.Z (5)Duration 2h/each direction Requirements Resistance Change:±15% or 5kohm Max. 3 Times free drop from 75cm height to hard Frequency Change:±10ppm Max. wooden Resistance Change:±15% or 5kohm Max. board of thickness more than 30mm Hermetic seal Helium leak detector Checked:before the molded crystal uints Dip the leads of Solder ability less than 1 × 10 EXP(–7) mbar.l/sec. crystal units into the solution (7-10%) of rosin 3±0.5s,then dip it into the tank The dipped surface of the leads should be 5-10s. at least 95% covered with continuous new Temperature of solder melted tank is 245℃ solder coating ±5℃ High temperature Low temperature Humidity 240 hours at +85℃±2℃ Frequency Change:±10ppm Max. After 1-2hours past at room temperature from Resistance Change:±25% or 10kohm Max. following 240 hours at -20℃±2℃ After 1-2hours past at room temperature from following test. Frequency Change:±10ppm Max. Resistance Change:±15% or 5kohm Max. 240 hours at +40℃±2℃,relative humidity Frequency Change:±10ppm Max. 90-95% Resistance Change:±25% or 10kohm Max. After 1-2hours past at room temperature from following After supplying the following temperature Frequency Change:±10ppm Max. cycle(50cycles) Resistance Change:±25% or 10kohm Max. Temperature cycle 6、Packaging standard www.jghcorp.com ShenZhen JingGuangHua Electronics Co.，Ltd. www.jghcorp.com ShenZhen JingGuangHua Electronics Co.，Ltd.