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32.768KHz无源晶体SSP-T7-F--20ppm\12.5pF


Erectrical -Characteristics Measurement temperature : 25±2℃
Item Symbol Specifications
1 Nominal frequency F0 32.768 kHz
2 Frequency tolerance Δf/f0 ± 20 × 10-6
3 Load capacitance CL 12.5 pF
4 Equivalent series resistance R1 65 kΩ max. Measured with ATI 4192A
Impedance analyzer.
OSC LEVEL = 0.1V
5 Q-value Q 40 × 103 min. calculated with the following
equation:Q=(2π・Fr・L1)/R1
6 Motional capacitance C1 1.9 fF typ.
7 Shunt capacitance C0 0.8 pF typ. Measured with ATI 4192A
Impedance analyzer.
OSC LEVEL = 0.1V
8 Turnover temperature Tp 25 ± 5℃ Measure this coefficient at 3 points
of 10℃、25℃、and 40℃ using
9 Temperature coefficient k (-3.5±1.0) × 10-8/℃2 C-MOS sircuit.
10 Aging Δf/f0 ± 5 × 10-6 / year 25±3℃、 First year
11 Insulation resistance IR 500 MΩ min. Measured with ATI 4329A
Insulation Resistance Meter.
Apply DC100V.

生产厂商:seiko

datasheet:
SSP-T7-F(英)20 12 5pF.pdf
下载: pdf 文件
 


 
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