Citizen Crystals and Oscillators - CM155
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CM155-32.768KDZFTR (pdf) |
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Citizen Crystals and Oscillators - CM155 CM155 FEATURES: 3,000pcs/reel z Being of the ultra-miniature SMD type, and thus featuring excellent efficiency in mounting, the CM155 is ideal for application to highdensity circuit boards. z As it incorporates a heat-resisting packaged cylinder-type crystal, it features highly stable characteristics-high enough to permit reflow soldering. z Can be mounted automatically because of the emboss taping used. z Its low power consumption makes it ideal for application to portable equipment as well as high density, cellular phone designs. APPLICATIONS: z Permits use as a clock source for communication equipment, AV equipment, OA equipment, camera, cellular phones, pagers and measuring instruments. STANDARD SPECIFICATIONS Item Nominal frequency CM155 32.768kHz Conditions Frequency tolerance delta f/f0 ± 20ppm Reference temperature Frequency vs.Temperature delta Characteristics f/f0 See drawing -10°C to +60°C Turnover temperature 25°C ± 5°C Freq. temp. coefficient beta ± 0.006ppm/°C2 Operating temperature range Topr Storage temperature range Tstg -40°C to + 85°C -55°C to +125°C Equivalent series resistance 65k ohm MAX. Reference temperature Load capacitance 12.5pF TYP. |
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