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 WEEE (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 25oC 20 = ±20ppm at 25oC 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 Product information is current as of publication date. The product conforms Inc. to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters. Copyright © 2006, 2007, 2008 Pletronics SM8S Series Low Frequency Crystal December 2008 Electrical Specification: Item Min Frequency Calibration Frequency Tolerance Max Unit 32.768 kHz -30 -20 +30 +20 ppm Equivalent Series Resistance -- 50K Ohms Drive Level -- 1.0 uW Turn Over Temperature 20 30 Temperature Coefficient Q Factor Condition standard “20" o Nominal is 25oC C ppm/oC2 -0.035 30000 -- _ 3oC at 25oC + typical Q Shunt Capacitance 1.7 pF Pin to Pin Capacitance, typical Motional Capacitance 2.9 fF typical Aging (for first year) Insulation Resistance -3 +3 ppm/Yr at 25oC + _ 3oC 500M -- Ohms at 100V DC Crystal Cut XY Cut Operating Temperature Range -40 +85 o Storage Temperature Range -55 +125 o Shock Resistance -10 +10 ppm Vibration Resistance -5 +5 ppm Reflow Resistance -5 +5 ppm XY Crystal Frequency versus Temperature Typical Performance: C C 0 -20 Deviation (ppm) -40 -60 -80 -100 -120 -140 -160 -45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 Temperature (C) www.pletronics.com 425-776-1880 2 SM8S Series Low Frequency Crystal December 2008 Mechanical: Inches 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 D1 0.0295 0.75 E1 0.067 1.7 1 Contacts : Gold 11.8 µinches 0.3 µm minimum over Nickel 50 to 350 µinches 1.27 to 8.89 µm mm Typical dimensions Not to Scale Package Labeling Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Courier New Bar code is 39-Full ASCII Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Arial 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. www.pletronics.com 425-776-1880 3 SM8S Series Low Frequency Crystal December 2008 Temperature (°C) Reflow Cycle (typical for lead free processing) 260°C Maximum 10 Seconds Maximum 250 215°C±10°C 200 175°C±10°C 150 100 Approximately 50 Seconds 120 to 160 Seconds Allowed rate of temperature change Maximum 4°C per second 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 8mm D1 Min E1 P0 1.0 S1 Min T Max 0.6 0.25 T1 Max 2.0 +0.05 _ 12mm 1.5 1.5 1.75 4.0 16mm +0.1 -0.0 1.5 _ +0.1 _0.1 + 24mm P2 0.1 2.0 _ +0.1 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 B inches 7.0 10.0 13.0 mm 177.8 254.0 330.2 inches 2.50 4.00 3.75 mm 63.5 101.6 95.3 Tape Width 12.4 +2.0 -0.0 12.0 C mm D mm 13.0 +0.5 / -0.2 12.4 +2.0 -0.0 12.4 +2.0 -0.0 Reel dimensions may vary from the above www.pletronics.com 425-776-1880 4 SM8S Series Low Frequency Crystal December 2008 IMPORTANT NOTICE Pletronics Incorporated (PLE) reserves the right to make corrections, improvements, modifications and other changes to this product at anytime. PLE reserves 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 using PLE components. 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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. 19013 36th Ave. West Lynnwood, WA 98036-5761 USA Tel: 425-776-1880 Fax: 425-776-2760 E-mail: [email protected] URL: www.pletronics.com Copyright © 2006, 2007, 2008 Pletronics Inc. www.pletronics.com 425-776-1880 5