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 mj2 crystals are miniature surface-mount crystals produced with a ceramic substrate and seam-welded metal lid. their compact size and low mass make hem an ideal crystal for high-density applications. miniature size: 5.0mm x 3.2mm x 0.9mm height 2 pad version high shock and vibration resistance ideal for pdas, gps, pcmcia, wireless lan etc. features outline & dimensions frequency range 8.0mhz to 50.0mhz: at-cut fundamental 40.0mhz to 150.0mhz: at-cut 3rd overtone calibration tolerance at 25oc: from 10ppm to 100ppm frequency stability over temp: from 10ppm to 100ppm operating temperaure range: -10 ~ +60c to -40 ~ +85c storage temperature: -40~+85c / -55 ~ +125c effective series resistance: see table shunt capacitance (c0): 2pf to 5pf typical, 7pf maximum load capacitance (cl): series or from 6pf to seriespf ( customer specified cl ) ageing: <5ppm per year at +25c drive level: 100 m w maximum insulation resistance: 500m min. at 10015vdc reflow soldering: 10s maximum at 260c 2 reflows maximum package: ceramic base, metal lid, hermetic seal packaging: 12mm eia tape and reel 1000 pieces per reel specification 8.0 ~ 10.0 at fund. 100 10.01 ~ 12.0 at fund. 80 12.01 ~ 20.0 at fund. 60 20.01 ~ 50.01 at fund. 40 40.01 ~ 150.0 3rd overtone 80 frequency range (mhz) crystal cut/ mode esr max. equivalent series resistance (esr) mj2 crystals environmental specification 5.0 x 3.2 x 0.9mm smd 8.0mhz to 150mhz part number generation part numbers for mj2 crystals are generated as follows: 12.000mhz mj2/20/30/-10+60/18pf/ atf / 60r rohs status: compliant gross leak: 1kg pressurized water immersion test as per euroquartz procedures. fine leak: <5x10 -8 atm cc/s -helium leak test shock: 5ppm max. free drop 3 times from 75cm height onto a hard wooden board or half sine wave acceleration of 100g peak amplitude for 11 ms duration, 3 cycles each plane. vibration: 5ppm max., frequency 10 to 55hz, amplitude 1.5mm or 10g rms. duration 6 hours. solderability: mil-std-883, method 2003 humidity: 48 hours at 85c, relative humidity, non-condensing thermal shock: temperature cycling: exposed to -40c for 30 minutes then to +85c for 30 minutes, - duration 5 days. nominal frequency package mj2 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) mode: atf = fundamental at3 = 3rd overtone ( optional, use when mode clarity is required ) equivalent series resistance (optional)
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