HC-49/U-S Miniature Quartz Crystal Unit for Microprocessor Model HC-49/U-S Features Height 3.5mm, the volume is compact at about one-fourth that of the former product (HC-49/U). A resistance weld completely sealed type. The frequency stability is good, the reliability is high. Multiple standard frequencies. Copes with high density mounting and is optimum for mass production models. Specifications Type Main application HC-49/U-S Microprocessor 3.2~60MHz Table 2 CTV-VTR 3.5~28MHz Table 1 Frequency Range Standard Frequency Operating Temp. Range 3.2~29MHz : Fundamental 29~60MHz : 3rd O.T. -10~+70: Storage Temp. Range -40~+85: Overtone Order Automotive engine control 4~20MHz Table3 Fundamental -40~+125: -40~+150: 30x10-6 50x10-6 100x10-6 30x10-6 (referred to 25:) 50x10-6 (referred to 25:) 200x10-6(referred to 25:) Load Capacitance Table 1 Table 2 Table 3 Equivalent Series Resistance Table 1 Table 2 Table 3 at 25: Over The Oper. Temp. Range 7.0pF MAX. Shunt Capacitance Table 1 Standard Frequencies Equivalent Load series Frequency capacitance resistance (MHz) (pF) (MAX.) 3.579545 4.433619 14.31818 17.734476 Series/16 Series/16 Series/12 Series/12 150 120 50 50 Table 3 Standard Frequencies Frequency (MHz) 4.000 5.000 6.000 8.000 10.000 12.000 16.000 18.000 20.000 Equivalent Load series capacitance resistance (pF) (MAX.) 12 12 12 12 12 12 12 12 12 200 200 200 120 120 100 100 100 100 Three drops onto a hard wood board from the height of 100cm F/F : 10x10-6 10~55Hz, amplitude 0.7~0.9mm, each to 3 directions, 30 minutes each 10~55Hz, amplitude 1.5mm, each to 3 directions, 2 hours each Table 2 Standard Frequencies Frequency (MHz) 3.200 3.579545 3.6864 4.000 4.194304 4.433619 4.500 4.9152 6.000 6.144 7.3728 8.000 8.4672 9.8304 10.000 10.240 10.738635 11.000 11.0592 12.000 12.288 13.500 14.31818 Equivalent Load series capacitance resistance (pF) (MAX.) 16 16 16 16 11.5 16 14 16 16 16 16 16 16 16 12 12 12 12 12 12 12 12 12 300 150 150 150 120 120 120 100 90 90 90 90 90 90 90 90 90 90 90 70 70 50 50 Load Frequency capacitance (MHz) (pF) 16.000 16.9344 17.734476 20.000 21.47727 24.000 24.576 27.000 29.4912 32.000 33.8688 38.00053 39.3216 40.000 44.2368 44.350 44.550 46.000 48.000 50.000 56.448 60.000 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 Outline Equivalent series resistance (MAX.) 50 50 50 50 50 50 50 50 150 150 150 150 150 150 150 150 150 150 150 150 150 150 HC-49/U-S 11.00MAX 10.3MAX 5.0MAX Vibration 0.3mW MAX. F/F : 10x10-6 Three drops onto a hard wood board from the height of 20cm 201 Shock 3.8MAX Drive Level 3.5 MAX. Frequency Tolerance 0.430.05 4.880.2 Dimensions(mm)