Miniature Quartz Crystal Unit for Microprocessor Model HC-49/U-S
HC-49/U-S
Miniature Quartz Crystal Unit for Microprocessor Model HC-49/U-S sFeatures
¡Height 3.5mm, the volume is compac...
Description
HC-49/U-S
Miniature Quartz Crystal Unit for Microprocessor Model HC-49/U-S sFeatures
¡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.
sSpecifications
Type Main application Frequency Range Standard Frequency Overtone Order Operating Temp. Range Storage Temp. Range Frequency Tolerance at 25:
Over The Oper. Temp. Range
HC-49/U-S AV PC 3.2~60MHz
Table 1
Table 2 3.2~29MHz : Fundamental 29~60MHz : 3rd O.T. -10~+70: -40~+85: ±15, ±30, ±50×10-6
Automotive engine control 4~20MHz Table3 Fundamental -40~+125: -40~+150: ±100×10-6 ±200×10-6(referred to 25:) Table 3 Table 3
±15, ±30, ±50×10-6 (referred to 25:) Table 1 Table 1 Table 2 Table 2 7.0pF MAX. 0.3mW MAX. ∆F/F : ±10×10-6 Three drops onto a hard wood board from the height of 20cm ∆F/F : ±10×10-6 10~55Hz, amplitude 0.7~0.9mm, each to 3 directions, 30 minutes each
Load Capacitance
Equivalent Series Resistance
Shunt Capacitance Drive Level Shock Vibration
Three drops onto a hard wood board from the height of 100cm 10~55Hz, amplitude 1.5mm, each to 3 directions, 6 hours each
sTable 1 Standard Frequencies
Equivalent Load series Frequency capacitance resistance (MHz) (pF) (ΩMAX.)
3.579545 4.433619 14.31818 17.734476 Series/16 Series/16 Series/12 Series/12 150 120 50 50
sTabl...
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