euro quartz euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 email: info@euroquartz.co.uk www.euroquartz.co.uk crystals 10.7mm x 4.7mm x 2.0mm smd description the ms2 crystal provides an ideal source of low frequency clock signals (under 10mhz) in a low-profile smd package height of 2.0mm. the crystal features a glass to metal substrate and resistance- welded metal lid offering enhanced hermetic properties. premium grade at-strip crystal plate is mounted at both ends for high shock and low g sensitivity. low height smd package for low frequencies frequency range 3.2mhz to 70.0mhz fully rohs compliant standard eia tape and reel outline & dimensions frequency range at-cut fundamental: 3.2mhz to 30.0mhz at-cut 3rd overtone: 27.0mhz to 70.0mhz bt-cut fundamental: 24.0mhz to 48.0mhz calibration tolerance at 25oc*: from 10ppm at 25c (30ppm standard) frequency stability at-cut: 30ppm over-10 to +60c bt-cut: 100ppm over -10 to +60c storage temperature: -40~+85c equivalent series resistance: see table shunt capacitance (c0): 7pf maximum load capacitance (cl): series or from 10pf to 32pf (customer specified cl) ageing: <5ppm per year at +25c drive level: 0.5mw maximum reflow soldering: 10s maximum at 260c twice or 180s at 230c, once. packaging: 24mm eia tape and reel, 1k per. specification 3.2~3.4 300 3.5~4.0 150 4.1~4.9 120 5.0~5.9 100 6.0~8.9 80 9.0~9.9 60 10.0~12.9 50 13.0~30.0 45 frequency range mhz esr ohms max. equivalent series resistance part number generation part numbers for ms2 crystals are generated as follows: 3.2000mhz ms2 30/30/-10+60/12pf/60r example: nominal frequency package calibration tolerance at 25c (ppm) temperature stability over temp. range (ppm) operating temp. range (c) (lower and upper limits) load capacitance (either sr for series or cl in pf) equivalent series resistance (when special value is required) ms2 at-cut fundamental 25.0~30.0 150 30.0~50.0 100 50.0~70.0 80 frequency range mhz esr ohms max. at-cut 3rd overtone 24.0~40.0 40 frequency range mhz esr ohms max. btcut fundamental
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