SMX-QM1 QUARTZCOM | Alldatasheet
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2002/95/EC RoHS compliant 03 May. 10 QuartzCom AG QuartzCo m Asia QuartzCom USA sales@quartzcom.com sale s-asia@quartzcom.com sa les-usa@quartzcom.com www.quartzcom.com Features Applications: telecommunications, audio, medical Low frequency: 32 to 160 kHz Reliable, low cost crystal Reflow soldering @ 260 °C Parameter Specification Nominal frequency 32 ~ 160 kHz Frequency tolerance ±20 ~ ±100 ppm @ +25 °C Frequency stability ±100 ppm over -20 ~ +70 °C ±150 ppm over -40 ~ +85 °C Aging ±3 ppm 1 st year Load capacitance parallel resonance (CL = 8 ~ 12.5 pF) Series resistance 55 kΩ @ 32.768 kHz Motional capacitance 2.1 pF Typ. Shunt capacitance 0.9 pF Typ. Drive level 0.1 μW Typ. < 0.5 μW Turnover temperature +25 °C ±5 °C Temperature coefficient -0.035 x (T-To) 2 ppm/°C2 Operating temperature range -20 ~ +70 °C commercial application -40 ~ +85 °C industrial application Storage temperature range -55 ~ +125 °C Packaging unit tape & reel 2’000 or 3’000 pieces Customer specifications on request Example for soldering pattern Do not design any conductive path between the pattern Example for IR reflow soldering temperature