1.型  號Modle NO.

FC-145

2.頻  率Nominal frequency

32.768000KHz

3.調(diào)整頻率Frequency stability(Tol)

±20ppm(ref at 25℃)

4.振動模式Oscillation Mode

■Fundamental□3rd Overtone

5.工作溫度Operation Temperature

-20℃～+70℃

6.溫度頻差Temperature Charactcristic

±30ppm(-20℃TO +70℃)

7..焊接溫度Resistance to soldering heat

260±5℃solder bath for 3±0.05

8.負(fù)載電容Load Capacitancc

12.5PF

9.串聯(lián)電阻Series Resistance(ESR)

70KΩmax

10.激勵功率Drive Level

100uw

11.靜態(tài)電容Shunt Capacitance

7pf max

12.老  化Aging Rate per Year

±5ppm/year

13.絕緣電阻Insulation Resistance

500MΩ min at DC 100V±10V

1.貯存溫度Storage Temperature Range

-45℃to +85℃

2.貯存濕度Storage Humidity

20—80%

3.耐濕試驗(yàn)Bumidity Test

試驗(yàn)結(jié)果Test Result

1. 溫度Temperature±85℃ ±2℃
2. 時間Length of Test:24小時(HRS)
3. 相對濕度Relative Humidity:90-95%

1.1R＞500Ω at 100V±10V(DC)

2.電性:頻率牽引度無變化

No Change W.R.T Pulling Force

4.鹽霧試驗(yàn)Salt Spray Test

試驗(yàn)結(jié)果Test Result

1.溫度Temperature±35℃ ±2℃

2.時間Length of Test:48小時(HRS)

3.氯化鈉NaCl1%：5%

表面無痕跡No trace on the surface