SM8T Series Miniature SMD Crystal February 2015 • Pletronics’ SM8T Series is a miniature low profile surface mount crystal. • Package is ideal for automated surface mount assembly and reflow practices. • Tape and Reel packaging • • • • 20 MHz to 80 MHZ 1.6 x 2.0 mm 4 pad AT Cut Fundamental Crystal Ideal for use in hand held consumer products Pletronics Inc. certifies this device is in accordance with the RoHS 6/9 (2011/65/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: 0.02 grams Moisture Sensitivity Level: 1 As defined in J-STD-020C Second Level Interconnect code: e4 Electrical Specification: Item Min Max Unit Frequency Range 20 80 MHZ Calibration Frequency Tolerance 50 150 ppm at +25oC + _ 3oC, see part number for options Frequency Stability 50 150 ppm see part number for available options - 120 Ohms to 23 MHZ - 100 Ohms to 26 MHZ - 80 Ohms to 36 MHz - 60 Ohms > 36 MHz - 100 µW use 10 µW for testing - 5 pF Pad to Pad capacitance -5 +5 ppm /Yr for the first year at +25oC + _ 3 oC -2 +2 ppm /Yr after the first year at +25oC + _ 3 oC Operating Temperature Range -40 +125 o C Storage Temperature Range -55 +125 o C Equivalent Series Resistance (ESR) Drive Level Shunt Capacitance o (C0) o Aging at 25 C + _3C Condition see part number for available specified tolerance range options 160 AT Cut Crystal Frequency versus Temperature Typical Performance: 140 120 100 Deviation (ppm) 80 60 40 20 0 -20 -40 -60 -80 -100 -120 -140 -160 -60 -40 -20 0 20 40 60 80 100 120 Temperature (oC) Product information is current as of publication date. The product conforms to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters. Copyright © 2008, Pletronics Inc. SM8T Series Miniature SMD Crystal February 2015 Part Number: SM8T -8 -25.0M -50 H 1 G G -XX See chart below for available options Internal code or blank Highest Specified Operating Temperature A = 40oC G = 70oC N = 100oC o o B = 45 C H = 75 C P = 105oC o o C = 50 C J = 80 C R = 110oC o o D = 55 C K = 85 C S = 115oC E = 60oC L = 90oC T = 120oC o o F = 65 C M = 95 C U = 125oC Lowest Specified Operating Temperature A = +10oC F = -15oC L = -40oC o o B = +5 C G = -20 C M = -45oC C = 0 oC H = -25oC N = -50oC o o D = -5 C J = -30 C P = -55oC o o E = -10 C K = -35 C Fundamental mode AT cut crystal Frequency Stability See chart below Calibration Frequency Tolerance (Typ. Values shown) 20 = + _ 20 ppm at 25oC + _ 3 oC 50 = + _ 50 ppm at 25oC + _ 3oC (Standard) Frequency in MHZ Cload in pF Parallel Resonance from 06 to 32 pF, 8 pF is standard -orSR = Series Resonance Model Number Current production ranges are shown below. Available Frequency Stability versus Temperature in ppm Operating Temperature Range CODE 0 to +45oC 0 to +50oC A B C D E F G H J K _ 3.0 + _ 5.0 + + _ 8.0 + _ 10 + _ 15 + _ 20 + _ 30 + _ 50 + _ 100 _ + 150 CB ! ! ! CC ! ! ! 0 to +60oC CE ! ! ! 0 to +70oC CG STD ! ! -10 to +50oC EC ! ! ! -10 to +60oC EE ! ! ! -10 to +75oC EH ! ! ! -20 to +70oC GG ! ! ! -20 to +75oC GH -30 to +75oC JH -30 to +80oC JJ -30 to +85oC JK -35 to +80oC KJ -40 to +85oC LK www.pletronics.com 425-776-1880 2 SM8T Series Miniature SMD Crystal February 2015 Marking and Packing Information The part will be marked • • • • • PFFM YMDx Marking consists of the frequency “FF” which will be truncated to the first two digits due to package size. Date code consists of Year, Month and Day (see codes below) The x is an internal PLE production code Orientation of marking may be mixed on the tape Traceability of part is lost once removed from reel Codes for Date Code YMD Code Year 2 2012 Code A JAN Month Code 3 2013 1 4 2014 B FEB 5 2015 C MAR 2 3 D APR 4 6 2016 E MAY 5 7 2017 F JUN 6 8 2018 G JUL H AUG J SEP 7 8 9 K OCT L NOV M DEC A B C Day 1 2 3 4 5 6 7 8 9 10 11 12 Code D E F G H J K L M N P R 20 21 22 23 24 Day 13 14 15 16 17 18 19 Code T U V W X Y Z Day 25 26 27 28 29 30 31 Package Labeling Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Courier New Bar code is 39-Full ASCII (Label will show SM8T) Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Arial 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 www.pletronics.com 425-776-1880 3 SM8T Series Miniature SMD Crystal February 2015 Mechanical: Inches 4 1 4 3 2 3 Contacts : Gold 11.8 µinches 0.3 µm minimum over Nickel 50 to 350 µinches 1.27 to 8.89 µm mm A 0.063 + _ 0.004 1.6 + _ 0.1 B 0.079 + _ 0.004 2.0 + _ 0.1 C 0.018 + _ 0.004 0.45 + _ 0.1 D1 0.018 0.45 E1 0.004 0.1 F1 0.020 0.5 G1 0.022 0.55 H1 0.028 0.7 J1 0.004 0.1 Not to Scale 1 Typical dimensions Connection (top view): 1 4 2 3 Pad 2 and Pad 4 are common and connected to the metal cover. They are not connected to the crystal. Layout and application information • Trace lengths to the crystal should be kept as short as possible. • The crystal connections are sensitive to noise. • The package should be grounded for optimum performance, pad 2 and/or pad 4 connected to ground. www.pletronics.com 425-776-1880 4 SM8T Series Miniature SMD Crystal February 2015 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 250 to 3000 per reel (<1000 will be cut tape) 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 8 mm 3.5 6.4 1.7 _ +0.1 4.0 _ +0.1 1.0 8.9 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 C mm D mm Tape Width 13.0 +0.5 / -0.2 8.4 +2.0 -0.0 8.4 +2.0 -0.0 8.4 +2.0 -0.0 8.0 Reel dimensions may vary from the above www.pletronics.com 425-776-1880 5 SM8T Series Miniature SMD Crystal February 2015 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 © 2008, Pletronics Inc. www.pletronics.com 425-776-1880 6