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---------------...
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...
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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 ppm C:30 ppm(standard) D:50 ppm |
Load capacitance | CL | 12.5 pF --------------------------31M327 9pF 31M----------------------------327-9 7pF 31M----------------------------327-7 |
Equivalent series resistance | Rs | 50 k max. |
Drive level | P | 0.1W(1.0W max.) |
Turnover temperature | Tt | h 255 |
Temperature coefficient | -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 | 580, Typical | |
Aging (for first year) | f/F | 3 ppm max. at 253 |
Insulation resistance | 500M min. at 100V DC 15V | |
Cut | Ri | XY-Cut |
Operating temperature range | -40to 85 | |
Storage temperature range | To | -55?C to 125 |
Shock resistance | f/F | 10 ppm max. |
Vibration resistance | f/F | 5 ppm max. |
IR reflow resistance | f/F | 5 ppm max. |
Reflow soldering condition | 20 seconds max. at 230 |