euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz description miniature surface mount mf crystals incorporate a ceramic substrate and hermetically-sealed metal lid. the combination of compact size and low mass with a high-specification crystal make mf crystals ideal for high density applications as well as hand-held and communications equipment. miniature size: 6.0mm x 3.5mm height tight tolerances available high shock and vibration resistance ideal for pdas, gps, pcmcia and hand-held equipment features outline & dimensions frequency range at-cut fundamental: 8.0mhz to 50.0mhz at-cut 3rd overtone: 30.0mhz to 125.0mhz calibration tolerance at 25oc*: from 5ppm (10, 20 or 30ppm standard) frequency stability -10 to +60c from 5ppm -20 to +70c from 10ppm -40 to +90c from 15ppm -55 to +125c from 20ppm storage temperature: -55~+105c equivalent series resistance: see table shunt capacitance (c0): 2pf to 4pf typical, 7pf maximum load capacitance (cl): series or from 8pf to 32pf ( customer specified cl ) ageing: <3ppm per year at +25c drive level: 100 m w maximum reflow soldering: 10s maximum, 260c twice or 180s at 230c, once. package: ceramic base, metal lid, hermetic seal packaging: 16mm eia tape and reel 1000 pieces per reel specification 10.0 ~ 12.0 at fund. 80 12.1 ~ 16.0 at fund. 60 16.1 ~ 50.0 at fund. 40 30.0 ~ 40.0 at 3rd ot 100 40.1 ~ 50.0 at 3rd ot 80 50.1 ~ 125 at 3rd ot 50 frequency range mhz crystal cut/ mode esr ohms max. equivalent series resistance mf & mf2 crystals part number generation 12.000mhz mf/20/30/-10+60/18pf/60r example: nominal frequency package mf = 4 pad mf2 = 2 pad 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 (optional - use when special value is required) mf2 mf 6 x 3.5mm smd, 4 pad and 2 pad 8mhz to 125mhz
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