1.型  号Modle NO.

SMD3225

2.频  率Nominal frequency

40.000MHz

3.调整频率Frequency stability(Tol)

±20ppm(ref at 25℃)

4.振动模式Oscillation Mode

Fundamental□3rd Overtone

5.工作温度Operation Temperature

-20℃～+70℃

6.温度频差Temperature Charactcristic

±30ppm(-20℃TO +70℃)

7..焊接温度Resistance to soldering heat

260±5℃solder bath for 3±0.05

8.负载电容Load Capacitancc

20PF

9.串联电阻Series Resistance(ESR)

80Ωmax

10.激励功率Drive Level

100uw

11.静态电容Shunt Capacitance

7pf max

12.老  化Aging Rate per Year

±5ppm/year

13.绝缘电阻Insulation Resistance

500MΩ min at DC 100V±10V

1.贮存温度Storage Temperature Range

-45℃to +85℃

2.贮存湿度Storage Humidity

20—80%

3.耐湿试验Bumidity Test

试验结果Test Result

1. 温度Temperature±85℃ ±2℃
2. 时间Length of Test:24小时(HRS)
3. 相对湿度Relative Humidity:90-95%

1.1R＞500Ω at 100V±10V(DC)

2.电性:频率牵引度无变化

No Change W.R.T Pulling Force

4.盐雾试验Salt Spray Test

试验结果Test Result

1.温度Temperature±35℃ ±2℃

2.时间Length of Test:48小时(HRS)

3.氯化钠NaCl1%：5%

表面无痕迹No trace on the surface