SM8T-8

SM8T Series Miniature SMD Crystal January 2008 • 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 (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: 0.02 grams Moisture Sensitivity Level: 1 As defined in J-STD-020C Second Level Interconnect code: e4 Electrical Specification: Item Frequency Range Calibration Frequency Tolerance Frequency Stability Equivalent Series Resistance (ESR) Min 20 50 50 Drive Level Shunt Capacitance _ Aging at 25 C + 3 C o o Max 80 150 150 120 100 80 60 100 5 +5 +2 +125 +125 Unit MHZ ppm ppm Ohms Ohms Ohms Ohms µW pF ppm /Yr ppm /Yr o Condition _ at +25oC + 3oC, see part number for options see part number for available options to 23 MHZ to 26 MHZ to 36 MHz > 36 MHz use 10 µW for testing Pad to Pad capacitance for the first year at +25oC + 3oC _ after the first year at +25oC + 3oC _ see part number for available specified tolerance range options (C0) -5 -2 Operating Temperature Range Storage Temperature Range -40 -55 160 140 120 100 80 C C o Deviation (ppm) AT Cut Crystal Frequency versus Temperature Typical Performance: 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 January 2008 Part Number: SM8T -8 -25.0M -50 H 1GG -XX See chart below for available options Internal code or blank Highest Specified Operating Temperature A = 40oC G = 70oC N = 100oC o o H = 75 C P = 105oC B = 45 C J = 80oC R = 110oC C = 50oC o o K = 85 C S = 115oC D = 55 C o o L = 90 C T = 120oC E = 60 C M = 95oC U = 125oC F = 65oC Lowest Specified Operating Temperature A = +10oC F = -15oC L = -40oC o o G = -20 C M = -45oC B = +5 C o o H = -25 C N = -50oC C= 0C J = -30oC P = -55oC D = -5oC K = -35oC E = -10oC Fundamental mode AT cut crystal Frequency Stability See chart below Calibration Frequency Tolerance (Typ. Values shown) + 20 = _ 20 ppm at 25oC _ 3oC + + 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 0 to +45oC 0 to +50oC 0 to +60oC 0 to +70oC -10 to +50oC -10 to +60oC -10 to +75oC -20 to +70oC -20 to +75oC -30 to +75oC -30 to +80oC -30 to +85oC -35 to +80oC -40 to +85oC A CODE CB CC CE CG EC EE EH GG GH JH JJ JK KJ LK _ + 3.0 B + 5.0 _ C + 8.0 _ D + 10 _ E + 15 _ F + 20 _ G + 30 _ H + 50 _ ! ! ! STD ! ! ! ! J + 100 _ ! ! ! ! ! ! ! ! K + 150 _ ! ! ! ! ! ! ! ! www.pletronics.com 425-776-1880 2 SM8T Series Miniature SMD Crystal January 2008 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 (Month Year) Code Year Code Month 6 2006 A JAN 7 2007 B FEB 8 2008 C MAR 9 2009 D APR E MAY 0 2010 F JUN 1 2011 G JUL H AUG 2 2012 J SEP K OCT L NOV M DEC 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 Mechanical Shock Vibration Solderability Thermal Shock Condition MIL-STD-883 Method 2002, Condition B MIL-STD-883 Method 2007, Condition A MIL-STD-883 Method 2003 MIL-STD-883 Method 1011, Condition A www.pletronics.com 425-776-1880 3 SM8T Series Miniature SMD Crystal January 2008 Mechanical: Inches A 0.063 + 0.004 _ 0.079 + 0.004 _ 0.018 _ 0.004 + 0.018 0.004 0.020 0.022 0.028 0.004 mm 1.6 + 0.1 _ 2.0 + 0.1 _ 0.45 + 0.1 _ 0.45 0.1 0.5 0.55 0.7 0.1 4 4 1 B C D1 E 1 3 3 2 F1 G1 H1 Contacts : Gold 11.8 µinches 0.3 µm minimum over Nickel 50 to 350 µinches 1.27 to 8.89 µm J1 Not to Scale 1 Typical dimensions Connection (top view): 1 4 Pad 2 and Pad 4 are common and connected to the metal cover. They are not connected to the crystal. 2 3 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 January 2008 Reflow Cycle (typical for lead free processing) Temperature (°C) 250 200 150 100 175°C±10°C 260°C Maximum 10 Seconds Maximum 215°C±10°C 120 to 160 Seconds Approximately 50 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 (