product information is current as of publication date. the product conforms copyright ? 2006, 2007, 2008 pletronics inc. to specifications per the terms of the pletronics standard warranty. production processsing does not necessarily in clude testing of all parameters. sm8s series low frequency crystal december 2008 ? the pletronics? sm8s series is a miniature surface mount crystal. ? the package is ideal for automated surface mount assembly and reflow practices. ? tape and reel packaging ? 32.768 khz only ? 1.5 x 3.2 mm 2 pad ? xy cut crystal pletronics inc. certifies this device is in accordance with the rohs 6/6 (2002/95/ec) and w eee (2002/96/ec) directives. pletronics inc. guarantees the device does not contain the following: cadmium, hexavalent chromium, lead, mercury, pbb?s, pbde?s weight of the device: 0.014 grams moisture sensitivity level: 1 as defined in j-std-020c second level interconnect code: e4 part number: sm8s - 9 - 32.768k -20 -xx internal code or blank blank = 30ppm at 25 o c 20 = 20ppm at 25 o c nominal frequency in khz load capacitance blank = 12.5pf 9 = 9pf 7 = 7pf (other values are special order) model number reliability: environmental compliance parameter condition mechanical shock mil-std-883 method 2002, condition b vibration mil-std-883 method 2007, condition a solderability mil-std-883 method 2003 thermal shock mil-std-883 method 1011, condition a
sm8s series low frequency crystal december 2 008 www.pletronics.com 425-776-1880 2 electrical specification: item min max unit condition frequency 32.768 khz calibration frequency tolerance -30 -20 +30 +20 ppm standard at 25 o c + _ 3 o c ?20" equivalent series resistance -- 50k ohms drive level -- 1.0 uw turn over temperature 20 30 o c nominal is 25 o c temperature coefficient -0.035 ppm/ o c 2 typical q factor 30000 -- q shunt capacitance 1.7 pf pin to pin capacitance, typical motional capacitance 2.9 ff typical aging (for first year) -3 +3 ppm/yr at 25 o c + _ 3 o c insulation resistance 500m -- ohms at 100v dc crystal cut xy cut operating temperature range -40 +85 o c storage temperature range -55 +125 o c shock resistance -10 +10 ppm vibration resistance -5 +5 ppm reflow resistance -5 +5 ppm xy crystal frequency versus temperature typical performance: -160 -140 -120 -100 -80 -60 -40 -20 0 -45-35-25-15-5 5 1525354555657585 temperature (c) deviation (ppm )
sm8s series low frequency crystal december 2 008 www.pletronics.com 425-776-1880 3 mechanical: inches mm a 0.059 + _ 0.004 1.5 + _ 0.1 b 0.126 + _ 0.004 3.2 + _ 0.1 c 0.039 max 1.0 max d 1 0.0295 0.75 e 1 0.067 1.7 1 typical dimensions contacts : gold 11.8 inches 0.3 m minimum over nickel 50 to 350 inches 1.27 to 8.89 m not to scale package labeling label is 1" x 2.6" (25.4mm x 66.7mm) label is 1" x 2.6" (25.4mm x 66.7mm) font is courier new font is arial bar code is 39-full ascii part marking: ? marking consists of a manufacturing date code ? orientation of marking may be mixed on the tape ? traceability of part?s specification is lost once removed from reel layout and application information ? trace lengths to the crystal should be kept as short as possible. ? the crystal connections are sensitive to noise.
sm8s series low frequency crystal december 2 008 www.pletronics.com 425-776-1880 4 260c maximum 10 seconds maximum 215c10c approximately 50 seconds allowed rate of temperature change maximum 4c per second 120 to 160 seconds 100 150 200 250 temperature (c) 175c10c reflow cycle (typical for lead free processing) the part may be reflowed 2 times without degradation. tape and reel: available for quantities of 3000 per reel constant dimensions table 1 tape size d0 d1 min e1 p0 p2 s1 min t max t1 max 8mm 1.5 +0.1 -0.0 1.0 1.75 + _0.1 4.0 + _0.1 2.0 + _0.05 0.6 0.25 0.1 12mm 1.5 16mm 1.5 2.0 + _0.1 24mm 1.5 variable dimensions table 2 tape size b1 max e2 min f p1 t2 max w max ao, bo & ko 12 mm 12.1 14.25 5.5 + _0.1 4.0 + _0.1 1.2 12.3 note 1 note 1: embossed cavity to conform to eia-481-b dimensions in mm not to scale reel dimensions a inches 7.0 10.0 13.0 mm 177.8 254.0 330.2 b inches 2.50 4.00 3.75 mm 63.5 101.6 95.3 tape width c mm 13.0 +0.5 / -0.2 d mm 12.4 +2.0 -0.0 12.4 +2.0 -0.0 12.4 +2.0 -0.0 12.0 reel dimensions may vary from the above
sm8s series low frequency crystal december 2 008 www.pletronics.com 425-776-1880 5 important notice pletronics incorporated (ple) reserves the right to make corrections, improvements, modifications and other changes to this product at anytime. ple reserv es the right to discontinue any product or service without notice. customers are responsible for obtaining the latest relevant information before placing orders and should verify that such information is current and complete. all products are sold subject to ple?s terms and conditions of sale supplied at the time of order acknowledgment. ple warrants performance of this product to the specifications applicable at the time of sale in accordance with ple?s limited warranty. testing and other quality control techniques are used to the extent ple deems necessary to support this warranty. except where mandated by specific contractual documents, testing of all parameters of each product is not necessarily performed. ple assumes no liability for application assistance or customer product design. customers are responsible for their products and applications usi ng ple components. to minimize the risks associated with the customer products and applications, customers should provide adequate design and operating safeguards. ple products are not designed, intended, authorized or warranted to be suitable for use in life support applications, devices or systems or other critical applications that may involve potential risks of death, personal injury or severe property or environm ental damage. inclusion of ple products in such applications is understood to be fully at the risk of the customer. use of ple products in such applications requires the written approval of an appropriate ple officer. questions concerning potential risk applications should be directed to ple. ple does not warrant or represent that any license, either express or implied, is granted under any ple patent right, copyright, artwork or other intellectual pr operty right relating to any combination, machine or process which ple product or services are used. information published by ple regarding third-party products or services does not constitute a license from ple to use such products or services or a warranty or endorsement thereof. use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from ple under the patents or other intellectual property of ple. reproduction of information in ple data sheets or w eb site is permissible only if the reproduction is without alteration and is accompanied by associated warranties, conditions, limitations and notices. reproduction of this information with alteration is an unfair and deceptive business practice. ple is not responsible or liable for such altered documents. resale of ple products or services with statements different from or beyond the parameters stated by ple for that product or service voids all express and implied warranties for the associated ple product or service and is an unfair or deceptive business practice. ple is not responsible for any such statements. contacting pletronics inc. pletronics inc. tel: 425-776-1880 19013 36 th ave. west fax: 425-776-2760 lynnwood, wa 98036-5761 usa e-mail: ple-sales@pletronics.com url: www.pletronics.com copyright ? 2006, 2007, 2008 pletronics inc.
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