... for mass production ELECTRICAL SPECIFICATIONS Nominal frequency:4.096MHzOscillation mode:See below tableOperating temperature ... 000MHz~99.999MHz90MaxThird /Fifth Overtone/AT3.900MHz~4.099MHz70MaxFundamental/AT90.000MHz~120.000MHz90MaxFifth overtone / ... 3.2mm, 4*2.5mm, 3.2*2.5mm, 2.5*2.0mm,2.0*1.6mm ... )- SMD crystal 2 pads ( 8*4.5mm, 7*5mm, ... 1.4mm, 4*1.5mm, 3.2*1.5mm,4.9*1.8mm, 2.0*1.2mm )- ...