?SSG? series 32.768 khz surface mount crystal mercury since 1973 mercury www.mercury-crystal.com taiwan: tel (886)-2-2406-2779, fax (886)-2-2496-0769, e-mail: sales-tw@mercury-crystal.com u.s.a.: tel (1)-909-466-0427, fax (1)-909-466-0762, e-mail: sales-us@mercury-crystal.com mercury page 1 of 1 date: october 10, 2006 rev. 2 5.5[0.216] 8.0[0.315] 3.2[0.126] 3.8[0.150] 0.5[0.020] 2.4[0.094] 2.5[0.098] 0.9[0.035] 1.3[0.051] 1.9[0.075] 4.2[0.165] 1.3[0.051] ? rohs compliant product ? provide low cost timing to real time clocks and hand-held portable battery operated devices. ? rugged high-temp plastic molded package for harsh environment. ? withstand solder reflow. tape and reel available. specifications package dimensions and su ggested soldering pattern mec part no. SSG-32.768k-12.5p, rohs compliant nominal frequency 32.768 khz crystal cut x-cut frequency tolerance 30 ppm at +25c turnover temperature 25c5c operating temperature -40 to +80c frequency-temperature coefficient -0.034 ppm0.006 ppm/c 2 load capacitance 12.5 pf motional capacitance (co) 0.003 pf typical shunt capacitance (c1) 1.35 pf max. capacitance ratio (co/c1) 450 typical equivalent series resistance 50 k ohms max. drive level 1 uw max. insulation resistance 500 m ? min. at 100v15v dc aging 3 ppm per year max. at +25c package leak rate 1x10 -2 pam 3 /sec max. shock resistance 5 ppm max. at 3000gx0.3 msec. half sine wave 3 directions storage temperature -55 to +125c tape and reel 13? reel. 3000 pc per reel.
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