AS-18.432-20-SMD-TR

LOW PROFILE MICROPROCESSOR CRYSTAL Page 1 of 3 AS-18.432-20-SMD-TR SPECIFICATIONS PARAMETER FREQUENCY RANGE MODE OF OSCILLATION VALUE 18.432 MHz FUNDAMENTAL FREQUENCY TOLERANCE AT 25°C ±30 PPM MAXIMUM FREQUENCY STABILITY OVER TEMPERATURE ±50 PPM MAXIMUM OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE AGING LOAD CAPACITANCE EQUIVALENT SERIES RESISTANCE SHUNT CAPACITANCE DRIVE LEVEL REFLOW CONDITIONS MECHANICAL SPECIFICATION -20°C TO 70°C STANDARD -40°C TO +90°C ±5 PPM PER YEAR MAXIMUM 20 pF 40  5 pF MAXIMUM 100 µW TYPICAL, 500 µW MAXIMUM 260°C ±5°C FOR 10s MAXIMUM Photo is not actual part CARRIER TAPE DIMENSIONS NOTE: REFER TO EIA-481 FOR DIMENSIONS  PACKAGING 178 mm REEL DIAMETER 24 mm TAPE WIDTH, 4 mm PITCH QUANTITY: 1000 PIECES PER REEL IN ACCORDANCE WITH EIA-481 R A L T R O N E L E C T R O N I C S  1 0 4 0 0 N .W . 3 3 r d S T R E E T  M i a m i , F l o r i d a 3 3 1 7 2  U . S . A . Telephone: 305-593-6033  Fax: 305-594-3973  e-mail: sales@raltron.com  web site: http://www.raltron.com LOW PROFILE MICROPROCESSOR CRYSTAL Page 2 of 3 AS-18.432-20-SMD-TR  REFLOW PROFILE tP TP Critical Zone TL to TP Ramp-up TL tL TSMAX Temp. [°C] TSMIN Ramp-down tS Preheat Time [sec] t[25°C] to Peak Reflow profile Temperature Min Preheat Temperature Max Preheat Time (TSMIN to TSMAX) Temperature Peak Temperature Ramp-up rate Ramp-down rate Time within 5°C of Peak Temperature Time t[25°C] to Peak Temperature Time  TSMIN TSMAX tS TL TP RUP RDOWN tP t[25°C] to Peak tL 150°C 200°C 60-180 sec. 217°C 260°C 3°C/sec max. 6°C/sec max. 10 sec. 480 sec. 60-150 sec. ENVIRONMENTAL PARAMETER MOISTURE SENSITIVITY LEVEL RoHS-2 REACH SVHC HALOGEN-FREE ESD CLASSIFICATION LEVEL TERMINATION FINISH VALUE 1 6/6 COMPLIANT & LEAD FREE COMPLIANT COMPLIANT N/A Sn R A L T R O N E L E C T R O N I C S  1 0 4 0 0 N .W . 3 3 r d S T R E E T  M i a m i , F l o r i d a 3 3 1 7 2  U . S . A . Telephone: 305-593-6033  Fax: 305-594-3973  e-mail: sales@raltron.com  web site: http://www.raltron.com LOW PROFILE MICROPROCESSOR CRYSTAL Page 3 of 3 AS-18.432-20-SMD-TR  MARKING R184xxAyw x – Internal Production ID code y – Year code w – Week code YEAR CODE Year Code 2011 2012 2013 2014 2015 2016 2017 2018 2019 Week 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18  1 2 3 4 5 6 7 8 9 ALPHA WEEK CODE TABLE Code Week Code Week a b c d e f g h i j k l m n o p q r 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 s t u v w x y z A B C D E F G H I J 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 Code K L M N O P Q R S T U V W X Y Z APPROVAL DRAWN BY: APPROVED BY: REVISION: KJackson, June 30, 2014 KJackson, June 30, 2014 A, Initial Release R A L T R O N E L E C T R O N I C S  1 0 4 0 0 N .W . 3 3 r d S T R E E T  M i a m i , F l o r i d a 3 3 1 7 2  U . S . A . Telephone: 305-593-6033  Fax: 305-594-3973  e-mail: sales@raltron.com  web site: http://www.raltron.com