OSCILLATOR Part Numbering System - CMOS Example Part Number: 7W-14.31818MBB-T 7W - 14.31818M B Product Family Supply Voltage 7W 7C 7X 8W 8N A B C D B-T Packaging Method 5.0V 3.3V 2.5V 1.8V T Tape & Reel B Bulk Frequency Frequency Stability (over Temp) Numeric Value. Three digits to the left and right of the decimal point, in most cases (if repeating numbers, will state till the second repeating, i.e. 14.318181818 would be 14.31818) B C F ±50ppm ±100ppm ±100ppm (-10 to 70˚C) (-10 to 70˚C) (-40 to 85˚C)