?X4115? series 4. 1x1.5x0.7 mm 32.768 khz tuning fork surface mount crystal mercury since 1973 mercury page 2 of 2 date: aug. 1, 2007 rev. 1 ? precision time piece in miniature ceramic package for smd mounting. ? 100% rohs compliant an d lead-free product. ? low aging. high shock an d vibration resistant. ? applications include real-time cloc ks, battery operated devices. general specifications frequency temperature characteristic curve by curve by calculation frequency deviation at one par ticular temperature (tx) with respect to the frequency at +25c is ? f / f (ppm) = -0.035 * (tx ? 25) 2 example: at +60c, the frequency drifts -42.8 ppm. ? f / f (ppm) = -0.035*(60-25) 2 = - 42.8 ppm please order either X4115-32.768k-9p or X4115-32.768k-12.5p " : please specify " X4115 ? 32.768k ? 9p n o p n : crystal package prefix ; o : frequency: 32.768 khz; p : load capacitance (cl): 9p for 9 pf load capacitance; 12.5p for 12.5 pf load capacitance. mercury www.mercury-crystal.com taiwan: tel (886)-2-2695-7099, fax (886)-2-2695-7473, e-mail: sales-tw@mercury-crystal.com u.s.a.: tel (1)-909-466 -0427, fax (1)-909-466-0762, e-mail: sales-us@mer cury-crystal.com mercury part no. X4115-32.768k-12.5p or X4115-32.768k-9p frequency 32.768khz crystal cut x-cut mode of oscillation fundamental mode turnover temperature 25c 5c frequency tolerance at 25c 20ppm max. with drive level at 0.1 uw frequency vs. temperature -0.035 ppm 0.008 ppm/c 2 max. parabolic equivalent series resistance 50 k ? typical; 65 k ? max. with drive level at 0.1 uw shunt capacitance (co) 1.2 pf typical; 2.0 pf max. motional capacitance (c1) 2.0 ff typical load capacitance (cl) 9 pf or 1 2.5pf drive level 0.1 w typical; 0.5 u w max. aging at 25c 3 ppm / year max. insulation resistance 500 m ? min. at 100 v15 v dc packaging 12 mm tape. 4 mm pitc h, 177.4 mm reel, 3000 pcs per reel. how to orde r f / ? f (ppm )
?X4115? series 4. 1x1.5x0.7 mm 32.768 khz tuning fork surface mount crystal mercury since 1973 mercury page 2 of 2 date: aug. 1, 2007 rev. 1 environmental specifications green requirement rohs compliant and pb (lead) free operable temperature range -40c to +85c storage temperature -55c to +125c shock 10 ppm max. free drop 3 times from 75 cm height onto a hard wooden board. vibration 5 ppm max. frequency: 10 to 60 hz, amplitude: 1.5 mm , period: 2 ~3 min., duration: 2 hours each direction. resistance to soldering heat 5 ppm max. reflow twice at 260c and 10 sec. max. temperature cycling 10 ppm max. 100 cycles of -4 0c to +85c, 30 min. soak time at each temp. extreme high and low temperature operating life 7 ppm max. at +85c for 500 hours; 10 ppm max. at -40c for 500 hours highly accelerated stress test 10 ppm max. +60c, 90 to 95% relative humidity for 500 hours package dimensions and recommended land pattern unit: mm recommended reflow soldering profile
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