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 AV • PC HC-49/U-S Frequency Range 3.2~60MHz Standard Frequency Automotive engine control 4~20MHz Table3 Table 2 Table 1 Fundamental Operating Temp. Range 3.2~29MHz : Fundamental 29~60MHz : 3rd O.T. -10~+70: Storage Temp. Range -40~+85: -40~+150: ±15, ±30, ±50×10-6 ±100×10-6 Overtone Order at 25: Load Capacitance Table 1 Equivalent Series Resistance Table 1 ■Table 1 Standard Frequencies Equivalent Load series Frequency capacitance resistance (MHz) (pF) (ΩMAX.) 150 120 50 50 ■Table 3 Standard Frequencies Equivalent Load series capacitance resistance (pF) (ΩMAX.) 12 12 12 12 12 12 12 12 12 Table 3 200 200 120 90 90 70 50 50 50 0.3mW MAX. ∆F/F : ±10×10-6 Three drops onto a hard wood board from the height of 20cm Three drops onto a hard wood board from the height of 100cm ∆F/F : ±10×10-6 10~55Hz, amplitude 0.7~0.9mm, each to 3 directions, 30 minutes each 10~55Hz, amplitude 1.5mm, each to 3 directions, 6 hours each ■Table 2 Standard Frequencies Frequency (MHz) 3.200 3.579545 3.6864 4.000 4.194304 4.332 4.433619 4.500 4.9152 6.000 6.144 7.2 7.3728 8.000 8.4672 9.8304 10.000 10.240 10.738635 11.000 11.0592 Equivalent Load series capacitance resistance (pF) (ΩMAX.) 16 16 16 16 11.5 16 16 14 16 16 16 10 16 16 16 16 12 12 12 12 12 300 150 150 150 120 120 120 120 100 90 90 90 90 90 90 90 90 90 90 90 90 Load Frequency capacitance (MHz) (pF) 12.000 12.288 13.500 14.31818 16.000 16.9344 17.734476 20.000 21.47727 24.000 24.576 27.000 29.4912 32.000 33.8688 40.000 48.000 50.000 54.000 60.000 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 ■Outline Equivalent series resistance (ΩMAX.) 70 70 50 50 50 50 50 50 50 50 50 50 150 150 150 150 150 150 150 150 HC-49/U-S 11.00MAX 10.3MAX 5.0MAX Vibration 4.000 5.000 6.000 8.000 10.000 12.000 16.000 18.000 20.000 Table 2 20±1 Shock Frequency (MHz) Table 3 3.8MAX Drive Level Series/16 Series/16 Series/12 Series/12 Table 2 7.0pF MAX. Shunt Capacitance 3.579545 4.433619 14.31818 17.734476 ±200×10-6(referred to 25:) ±15, ±30, ±50×10-6 (referred to 25:) Over The Oper. Temp. Range 3.5 MAX. Frequency Tolerance -40~+125: φ0.43±0.05 4.88±0.2 Dimensions(mm)