Features Aresistanceweldcompletelysealedtype Highfrequencystabilityandreliability Excellentagingstability RoHSCompliant/PbFree Specifications HolderType HC49U FrequencyRange 1.8432Mhzto200.000Mhz OperatingTemperatureRange 10to+60 typicalorcustomdesigned StorageTemperatureRange 40to+85typical 30ppm,orspecify FrequencyTolerance(at25) Frequency 50ppm,orspecify LoadCapacitance 8pF~32pForSeries DriveLevel 1~1000W(100Wtypical) ShuntCapacitance 7pFMax. InsulationResistance 500MMini.atDC100V Aging(at25) 5ppm/yearMax. Equivalent Series Resistance (ESR) and Mode of Operation FrequencyRange ESR() Mode FrequencyRange ESR() Mode 1.8432~2.300Mhz 500Max. Fundamental 8.0001~40.000 300Max. Fundamental rd 2.3001~3.000Mhz 400Max. Fundamental 24.000~80.000 50Max. 3 Overtone th 3.0001~5.000Mhz 90Max. Fundamental 80.000~150.00 150Max. 5 Overtone 5.0001~8.000Mhz 60Max. Fundamental How to order HC49U 4.000M 1 20 D B Series Frequency OperatingTemp. Loadcapacitance FrequencyTol. Package B=Bulk HC49Useries 2.0Mhz 1=10 ~+60 16=16pF A=5ppm HC49USseries 3.0Mhz 2=20 ~+70 20=20pF B=10ppm R=TapeReel HC49SMDseries 4.000Mhz 3=40 ~+85 30=30pF C=15ppm 32=32pF D=20ppm orspecify E=30ppm Remark:Specificationssubjecttochangewithoutpriornotice.Pleaseconfirmwithoursalesengineer. 1 Dimensions (mm) Remark:Specificationssubjecttochangewithoutpriornotice.Pleaseconfirmwithoursalesengineer. 2