... the optimum for mass production ELECTRICAL SPECIFICATIONS Nominal frequency24.576MHZ Oscillation modeSee below tableOperating temperature range- 20°C-+ ... quartz crystals, filters, resonators, oscillators, TCXO, VCXO, SAW device, following is our product list: -HC49 series (HC49U/HC49S/HC49SMD, 49SMD 4pads)-SMD crystal ... 5*3.2mm,3.2*2.5mm) -Watch crystal / cylinder crystal/ tuning fork(2*6mm,3*8mm,2*6mm ...