Features Aresistanceweldcompletelysealedtype Highfrequencystabilityandreliability Excellentagingstability RoHSCompliant/PbFree Specifications HolderType HC49US FrequencyRange 3.200Mhzto90.000Mhz OperatingTemperatureRange 10to+60typicalorcustomdesigned StorageTemperatureRange 40to+85typical 30ppm,orspecify FrequencyTolerance(at25) FrequencyStabilityover 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 3.200~3.579Mhz 250Max. Fundamental 8.001~9.999Mhz 60Max. Fundamental 3.580~4.000Mhz 150Max. Fundamental 10.00~13.999Mhz 50Max. Fundamental 4.001~5.000Mhz 120Max. Fundamental 14.00~35.328Mhz 40Max. Fundamental rd 5.001~6.000Mhz 100Max. Fundamental 24.00~34.999 100Max. 3 Overtone rd 6.001~7.000Mhz 80Max. Fundamental 35.00~90.000 80Max. 3 Overtone 7.001~8.000Mhz 60Max. Fundamental How to order HC49US 4.000M 1 20 D B Series Frequency OperatingTemp. Loadcapacitance FrequencyTol. Package B=Bulk HC49Useries 2.0Mhz 1=10~+60 16=16pF A=5ppm 3.0Mhz R=TapeReel HC49USseries 2=20~+70 20=20pF B=10ppm HC49SMDseries 4.000Mhz 3=40~+85 30=30pF C=15ppm 32=32pF D=20ppm orspecify E=30ppm Remark:Specificationssubjecttochangewithoutpriornotice.Pleaseconfirmwithoursalesengineer. 1 Dimensions (mm) 3.80 Max 10.50 Max 0.43+0.02 4.88+0.20 Wave Soldering Profile Remark:Specificationssubjecttochangewithoutpriornotice.Pleaseconfirmwithoursalesengineer. 2 3.50 Max 4.65 Max 13.20+0.20