Euroquartz Ltd
Euroquartz - Model 90SMX(N) 32.768kHz SMD -Surface-Mount Crystals
FromEuroquartz Ltd
90SMX(N) crystals are miniature surface-mount crystals specifically designed to provide a low-cost and reliable source of real time clock 32.768kHz frequency fro mass-marlet applications. The crystals are low-profile and encapsulated in epoxy resin.
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- Frequency 32.768kHz
- Industry-standard package
- Compact and low-profile
- Supplied on EIA tape and reel
- Nominal Frequency: 32.7680kHz
- Calibration Tolerance at 25ºC: ±20ppm
- Load Capacitance (CL): 12.5pF*
- Equivalent Series Resistance (ESR): 50 Ohms
- Drive level: 1.0 µW max
- Q: 50,000 minimum
- Temperature Coefficient: -0.035±0.008ppm/°C2 (Parabolic
- Turnover Temperature: +25°±5°C
- Shunt Capacitance: 1.35pF typica
- Ageing: ±5ppm max. in first year at 25°C
- Insulation Resistance: 500M Ohm minimum @100VDC
- Crystal Cut: X-Cut
- Operating Temperature Range: -40° to +85°C
- Storage Temperature Range: -55° to +125°C
- Reflow Soldering: 10s maximum at 260°C twice or 180s at 230°C, once.
- Shock: ±5ppm max, free drops x3 from 75cm height onto hard wood surface.
- Packaging: EIA tape and reel, 3k pieces/reel
- RoHS Status: Compliant