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31SMX

Specifications Item Symbol Specifications Part number P/N 31M327 Package type 31SMX Nominal frequency F 32.768 kHz Frequency tolerance at h 25 f/F B: 20 ppmC:30 ppm(standard)D:50 ppm Load capacitance CL 12.5 pF --------------------------31M3279pF 31M---------------...

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31SMX: Specifications Item Symbol Specifications Part number P/N 31M327 Package type 31SMX Nominal frequency F 32.768 kHz Frequency tolerance at h 25 f/F B: 20 ppmC:30 ppm(stand...

31SMX Data Sheet

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Part Number:
31SMX
Supply Ability:
5000

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Specifications

Item Symbol Specifications
Part number P/N 31M327
Package type   31SMX
Nominal frequency F 32.768 kHz
Frequency tolerance at h 25 Connection Diagramf/F B: Connection Diagram20 ppm
C: Connection Diagram30 ppm(standard)
D: Connection Diagram50 ppm
Load capacitance CL 12.5 pF --------------------------31M327
9pF 31M----------------------------327-9
7pF 31M----------------------------327-7
Equivalent series resistance Rs 50 k Connection Diagram max.
Drive level P 0.1W(1.0W max.)
Turnover temperature Tt h 25 Connection Diagram5
Temperature coefficient   Connection Diagram
-0.035 ppm/2, Typical
Quality factor Q 30000 min.
Shunt capacitance Co 1.7 pF, Typical
Motional capacitance C1 0.0029 pF, Typical
Capacitance ratio   Connection Diagram 580, Typical
Aging (for first year) f/F Connection Diagram 3 ppm max. at 25 Connection Diagram3
Insulation resistance   500M Connection Diagram min. at 100V DC Connection Diagram 15V
Cut Ri XY-Cut
Operating temperature range   -40to 85
Storage temperature range To -55?C to 125
Shock resistance Connection Diagramf/F Connection Diagram10 ppm max.
Vibration resistance Connection Diagramf/F Connection Diagram5 ppm max.
IR reflow resistance Connection Diagramf/F Connection Diagram5 ppm max.
Reflow soldering condition   20 seconds max. at 230



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