... ,Resistance Welded HC-49/S Surface Mount Package 2,Height 4.0mm, or 3.0mm, compact unit for surface mount FEATUREHeight 4.0mm, or ... Mode3.000MHz~5.999MHz150MaxFundamental/AT24.000MHz~40.320MHz30MaxFundamental/BT6.000MHz~7.999MHz60MaxFundamental/AT24.000MHz~29.999MHz100MaxThird Overtone /AT8.000MHz~15. ... (HC49U/HC49S/HC49SMD, 49SMD 4pads)-SMD crystal 4 pads (7*5mm, 6*3.5mm, 5*3.2mm, 4*2. ...