QT49-18.432MABK-B

QT49 MHz Crystal Fuel The Digital World Features ● ● ● ● Applications Frequency range : 3.2MHz to 90MHz Resistance welded, metal can DIP type External dimensions (mm) L : 11.5 x W : 5.0 x H : 3.68 RoHS compliant & Pb free ● ● ● ● ● TV, STB, Cable modem Microprocessor Computer peripherals Home electronics Consumer products Electrical Characteristics Item QT49 Conditions Frequency Range F0 3.2MHz ~ 90MHz Frequency Tolerance Ftol ±50ppm, ±30ppm, ±20ppm, ±15ppm, ±10ppm Frequency Stability over Operating Temperature Range Fstab ±50ppm, ±30ppm, ±20ppm, ±10ppm Operating Temperature Range TOTR -20°C ~ +70°C Shunt Capacitance C0 7pF Max. Drive Level DL 1 ~ 500μW (100μW Typ.) Load Capacitance CL 12pF, 16pF, 18pF, 20pF Aging Faging ±5 ppm Max. Storage Temperature Range TSTR -55°C ~ +125°C Motional Resistance (ESR) at 25°C refer to 25°C at 25°C ± 3°C,first year Dimensions 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. Top View Side View 3rd Overtone 27 ~ 30 MHz 30 ~ 50 MHz 50 ~ 90 MHz Rev. 1.05 100Ω Max. 80Ω Max. 60Ω Max. Bottom View Page 1 (Unit: mm) www.qstproducts.com QT49 MHz Crystal Fuel The Digital World Ordering Information QT49 - 12.000M - A A J - T Frequency in Hz Packaging Method T Please contact us for available frequencies Tape & Reel Load Capacitance Frequency Tolerance (at 25°C) B A D F E ± 50 ppm ± 30 ppm ± 20 ppm ± 15 ppm ± 10 ppm E I J K 12 pF 16 pF 18 pF 20 pF Frequency Stability (over Temp.) B A D E ± 50 ppm ± 30 ppm ± 20 ppm ± 10 ppm ( -20°C ~ +70°C ) ( -20°C ~ +70°C ) ( -20°C ~ +70°C ) ( -20°C ~ +70°C ) Packing Inner box Logo sticker (carton and inner box) (Unit: mm) Rev. 1.05 Page 2 www.qstproducts.com