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VT-200-F

更新时间: 2024-09-20 05:53:11
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其他 - ETC 晶体石英晶体手表
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描述
Quartz Crystal Units for Watches

VT-200-F 数据手册

  
Quartz Crystal Units for Watches  
VT Series(VT-150-F/VT-200-F)  
FEATURES  
• Compact tubular package.  
• Photolithographic process.  
• Excellent shock resistance and environmental charac-  
teristics.  
• RoHS compliant (complete Pb-free).  
APPLICATIONS  
• Real Time Clocks, Timers, Pagers, Cameras, Remote-  
Controllers, Portable Applications  
STANDARD SPECIFICATIONS  
Conditions without notice (Temperature: +25±2°C, DL: 0.1µW)  
Item  
Symbol  
f_nom  
f_tol  
Ti  
Specifications  
32.768kHz  
(±5 x 10-6), ±10 x 10-6, ±20 x 10-6  
Conditions / Notes  
Nominal Frequency  
Frequency Tolerance  
Turnover Temperature  
Parabolic Coefficient  
Load Capacitance  
+25±5°C  
(-3.5±0.8) x 10-8/°C2  
4.5 to12.5pF  
30k/ 50kΩ  
B
CL  
Motional Resistance (ESR)  
Absolute Maximum Drive Level  
Level of Drive  
R
1
typ./max.  
DLmax  
DL  
1µW  
0.1µW  
Shunt Capacitance  
Frequency Ageing  
C
0
0.9pF typ.  
±5 x 10-6  
f_age  
T_use  
T_stg  
+25±3°C, First Year  
Operating Temperature  
Storage Temperature  
-10°C to +60°C  
-30°C to +70°C  
Store a pcs. part  
DIMENSIONS  
VT-150-F  
VT-200-F  
+0.10  
-0.15  
5.0 max.  
5.0 min.  
6.0  
5.0 min.  
φ
( 0.22)  
φ
( 0.26)  
φ
φ
UNIT: mm  
UNIT: mm  
11  

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