XT49M Vishay Dale Low Profile SMD Type Crystal Units FEATURES • Low cost • Industry standard • Wide frequency range • Excellent aging • Surface mount • Compliant to RoHS directive 2002/95/EC This part is a miniature AT cut strip crystal unit packaged for surface mounting. STANDARD ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL Frequency range CONDITION FO UNIT MIN. TYP. MAX. MHz 3.579545 - 66.000 Frequency tolerance ΔF/FO at 25 °C ppm - 30 - + 30 Temperature stability TC ref. to 25 °C ppm - 50 - + 50 Operating temperature range TOPR °C - 10 - + 70 Storage temperature range TSTG °C - 55 - + 125 Shunt capacitance C0 pF - - 7 Load capacitance CL customer specified pF 10 - series Insulation resistance IR 100 VDC MΩ 500 - - Drive level DL μW - 100 500 Aging Fa ppm -5 - +5 at 25 °C, per year EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE) FREQUENCY RANGE (MHz) MAX. ESR (Ω) MODE FREQUENCY RANGE (MHz) MAX. ESR (Ω) MODE 3.579 to 3.999 200 fundamental/AT 10.000 to 13.999 80 fundamental/AT 4.000 to 4.999 150 fundamental/AT 14.000 to 39.999 50 fundamental/AT 5.000 to 5.999 120 fundamental/AT 40.000 to 66.999 80 3rd overtone 6.000 to 9.999 100 fundamental/AT DIMENSIONS in inches [millimeters] 0.403 [10.24] max. Crystal Unit 0.008 [0.2] 0.177 [4.5] max. max. 0.150 [3.8] max. 0.012 [0.3] max. 0.484 ± 0.024 [12.3 ± 0.6] 0.437 + 0.020/- 0.031 [11.1 + 0.50/- 0.80] 0.150 [3.8] max. Insulation Base 0.376 [9.55] Crystal Lead 0.031 ± 0.012 [0.8 ± 0.3] 0.201 ± 0.020 [5.1 ± 0.5] Document Number: 35012 Revision: 19-Mar-10 0.081 [2.05] 0.185 ± 0.012 [4.7 ± 0.3] 0.219 [5.55] Solder Pattern For technical questions, contact: [email protected] www.vishay.com 1 XT49M Low Profile SMD Type Crystal Units Vishay Dale ORDERING INFORMATION XT49M R -20 20M e2 MODEL OTR blank = standard R = - 40 °C to + 85 °C LOAD blank = series -20 = 20 pF -30 = 30 pF -32 = 32 pF FREQUENCY/MHz JEDEC LEAD (Pb)-FREE STANDARD GLOBAL PART NUMBER X T 9 M 2 MODEL 0 A LOAD PACKAGE CODE 0 A N A 2 OPTION 0 M FREQUENCY GLOBAL PART NUMBERING X T 9 S MODEL NUMBER XT9S = XT49S XT9M = XT49M XTU1 = XTUM1 2 LOAD CAPACITANCE PACKAGE CODE 18 = 18 pF 20 = 20 pF NL = series to be specified by customer Tape and reel G = RF5 (XT9S) H = RF7 (XT9M) Bulk A = B04 (all models) N A 4 0 M OPTIONS FREQUENCY NA = no additional options RR = extended temperature of - 40 °C to + 85 °C Contact factory for all other options 4M = 4 MHz 40M = 40 MHz 100M = 100 MHz 12M288 = 12.288 MHz M is used as decimal place holder in frequency Example: XT49S-20 40M X T 3 6 2 0 MODEL NUMBER LOAD CAPACITANCE XT46 = XT46C XT36 = XT36C 18 = 18 pF 20 = 20 pF NL = series to be specified by customer A PACKAGE CODE Tape and reel H = RF7 Bulk A = B04 (all models) 1 2 M FREQUENCY 4M = 4 MHz 40M = 40 MHz 100M = 100 MHz 12M288 = 12.288 MHz M is used as decimal place holder in frequency Example: XT36C-20 12M www.vishay.com 2 For technical questions, contact: [email protected] Document Number: 35012 Revision: 19-Mar-10 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000