... for mass production ELECTRICAL SPECIFICATIONS Nominal frequency:8.000MHzOscillation mode:See below tableOperating temperature range-20°C ... 500MΩ AT DC100VEQUIVALENT SERIES RESISTANCE(ESR) AND OSCILLATION MODE Frequency RangeE.S.R (Ω)ModeFrequency RangeE.S.R ... 6mm,3*8mm,2*6mm frog type. SMD3.8*8.0mm, 6.9*1.4mm, 4*1.5mm ... DEVICE(TO39,F11,QCC8C,SM2,5*3.5mm3.8*3.8mm,3*3mm)Represents below brandEPSON, CITIZEN ...