Quartz Crystal Part Numbering System - Basic MHz Example Part Number: 9B-25.000MAAJ-B 9B - Product Family For example: 9B 9C 7A 7Y 7V 7S 7B 7M 8Z 8Y 8Q 8J 25.000M A A J -B Frequency Packaging Method Numerical Value, maximum characters as follows: T Tape & Reel B Bulk XX.XXXXXX followed by “M” for MHz Load Capacitance V C Q E I J K L S T 8pF 9pF 10pF 12pF 16pF 18pF 20pF 22pF 30pF 32pF Frequency Stability (over Temp.) A B D F G H X Y ± 30ppm ± 50ppm ± 20ppm ±100ppm ± 50ppm ± 30ppm ± 50ppm ± 30ppm Frequency Tolerance (at 25ºC) A B C D ± 30ppm ± 50ppm ±100ppm ± 20ppm (-20 to +70ºC) (-20 to +70ºC) (-20 to +70ºC) (-40 to +85ºC) (-40 to +85ºC) (-40 to +85ºC) (-10 to +60ºC) (-10 to +60ºC)