QT49S-48.000MEEJ-T

QT49S MHz Crystal Fuel The Digital World Features ● ● ● ● Applications Frequency range : 3.2MHz to 90MHz Resistance welded, metal can SMD type External dimensions (mm) L : 12.7 x W : 4.8 x H : 3.8 L : 12.7 x W : 4.8 x H : 3.0 RoHS compliant & Pb free ● ● ● ● ● TV, STB, Cable modem Microprocessor Computer peripherals Home electronics Consumer products Electrical Characteristics Item QT49S Frequency Range F0 3.2MHz ~ 90MHz Frequency Tolerance Ftol ±30ppm, ±20ppm, ±10ppm Frequency Stability over Operating Temperature Range (refer to 25°C) Operating Temperature Range Fstab TOTR ±30 ppm ±20 ppm ±10 ppm ±30 ppm ±20 ppm -20°C ~ +70°C -40°C ~ +85°C Shunt Capacitance C0 7pF Max. Drive Level DL 1 ~ 500μW (100μW Typ.) Load Capacitance CL 12pF, 18pF, 20pF Aging Faging ±5 ppm Max. Storage Temperature Range TSTR -55°C ~ +125°C Conditions at 25°C -20°C ~ +70°C -40°C ~ +85°C at 25°C ± 3°C,first year Motional Resistance (ESR) Fundamental 3.2 ~ 3.686 3.686 ~ 5 5 ~ 10 10 ~ 14 14 ~ 30 MHz MHz MHz MHz MHz 200Ω 150Ω 80Ω 40Ω 30Ω Max. Max. Max. Max. Max. 3rd Overtone 27 ~ 30 MHz 30 ~ 50 MHz 50 ~ 90 MHz Rev. 1.03 100Ω Max. 80Ω Max. 60Ω Max. Page 1 www.qstproducts.com QT49S MHz Crystal Fuel The Digital World Dimensions Ordering Information QT49S - 25.000M - A H J - T Frequency in Hz Packaging Method T Please contact us for available frequencies Tape & Reel Load Capacitance Frequency Tolerance (at 25°C) A D E ± 30 ppm ± 20 ppm ± 10 ppm E J K 12 pF 18 pF 20 pF Frequency Stability (over Temp.) A D E H I Rev. 1.03 ± 30 ppm ± 20 ppm ± 10 ppm ± 30 ppm ± 20 ppm ( -20°C ~ +70°C ) ( -20°C ~ +70°C ) ( -20°C ~ +70°C ) ( -40°C ~ +85°C ) ( -40°C ~ +85°C ) Page 2 www.qstproducts.com QT49S MHz Crystal Fuel The Digital World Packing (Unit: mm) Reflow Profile Solder melting point : 220°C ± 10°C, 60 sec. Min. Peak temperature : 260°C ± 5°C, 10 sec. Min. (°C) 10 sec 260 220 180 150 120 sec Rev. 1.03 60 sec Page 3 Time (sec) www.qstproducts.com