Model 445 Surface Mount Quartz Crystal FEATURES Standard 5.0mm x 3.2mm Glass Seal Package Fundamental Crystal Design Frequency Range 8 50MHz Frequency Tolerance, 20ppm Standard other tolerances available Frequency Stability, 30ppm Standard other stabilities available Operating Temperature to -40C to +85C Tape & Reel Packaging Standard, EIA-481 RoHS Compliant in Accordance with EU Directive 2011/65/EU - Lead-Free Termination Finish - Exemption 7(c)-I, Electrical and electronic components containing lead Pb in glass APPLICATIONS Model 445 is a low cost device used in a wide range of commercial applications including notebooks, computer peripherals, audio visual, Bluetooth and USB interfaces, PDAs, and automotive electronics. ORDERING INFORMATION 445 M TEMPERATURE RANGE FREQUENCY IN MHz W = 0C to +50C 3 M - indicates MHz and decimal point. A = -10C to +60C C = -20C to +70C I = -40C to +85C LOAD CAPACITANCE A = 10pF E = 20pF J = 9pF FREQUENCY TOLERANCE +25C B = 13pF F = 24pF K = 8pF C = 16pF G = 30pF L = 12pF 2 = 20ppm D = 18pF H = 32pF S = Series 3 = 30ppm TEMPERATURE STABILITY 1 1 = 10ppm 3 = 30ppm 2 X = 15ppm 5 = 50ppm 2 = 20ppm 1. Only available with temperature range codes and. 2. Only available with temperature range codes, and. 3. Frequency is recorded with two leading digits before the M and 5 significant digits after the M including zeros . Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. PACKAGING INFORMATION For Reference Factory may package reels in quantities of 1k pcs. or 3k pcs. Reel size is 180mm. Document No. 008-0360-0 Page 1- 2 Rev. D www.ctscorp.com Model 445 Quartz Crystal ELECTRICAL CHARACTERISTICS PARAMETER VALUE 8MHz to 50MHz Frequency Range Fundamental Operating Mode Crystal Cut AT-Cut 20ppm, 30ppm Frequency Tolerance +25C Frequency Stability Tolerance 10ppm, 15ppm, Operating Temperature Range, Referenced to 25C Reading 20ppm, 30ppm, 50ppm 0C to +50C -10C to +60C Operating Temperature Ranges -20C to +70C -40C to +85C 8MHz - <12MHz 100 Ohms 12MHz - <16MHz 50 Ohms Equivalent Series Resistance Maximum 16MHz - <30MHz 40 Ohms 30MHz - <50MHz 30 Ohms See Ordering Information Load Capacitance or Resonance Mode Shunt Capacitance C 5.0pF Typical, 7.0pF Maximum 0 10W Min., 100W Typ., 300W Max. Drive Level ging +25C 3ppm/yr Typical A Storage Temperature Range -40C to +85C MECHANICAL SPECIFICATIONS PACKAGE DRAWING MARKING INFORMATION 1. M445 - CTS Model Series. 2. C CTS. 3. D Date code. See Table I for codes. 4. XXX Frequency code. Reference CTS document 016-1454-0. M445 NOTES CDXXX 1. Complete CTS part number, frequency value, date code and manufacturing site code information must appear on reel and carton labels. 2. JEDEC termination code (e4). Barrier plating is nickel Ni with gold Au flash plate. 3. Reflow conditions per JEDEC J-STD-020 260C maximum, 10 seconds. 4. MSL 1. SUGGESTED SOLDER PAD GEOMETRY TABLE I DATE CODE MONTH JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR 2001 2005 2009 2013 2017 A B C D E F G H J K L M 2002 2006 2010 2014 2018 N P Q R S T U V W X Y Z 2003 2007 2011 2015 2019 a b c d e f g h j k l m 2004 2008 2012 2016 2020 n p q r s t u v w x y z Document No. 008-0360-0 Page 2 - 2 Rev. D ELECTRICAL PARAMETERS