Quartz crystal resonator HC-49US has the advantage of small calibration tolerance,tight temperature frequency deviation and is widely used in mobile communications,kind of telephones,computers and facsimiles.

Products(quartz crystal resonator) that are lead-free;
There are also applicable to devices with narrow specifications at low cost;
Excellent vibration resistance, shock resistance and environmental characteristics;
Can be automatically mounted, as units provided with taping are available by request.
 
Nominal frequency:      3.500~80.000MHz
Mode of vibration:  Fundament 3.5~30.0MHz,3rd Overtone 30.0~80.0MHz,20.0~40.0MHz
Frequency tolerance:  ±20ppm,±30ppm,±50ppm
Frequency stability:    ±20ppm,±30ppm,±50ppm
Load capacitance:     8pf~33pf,series
Shunt capacitance:    7.0pf max
Drive level:           0.01~2.0mw max
Insulation resistance:   500MΩMin/100±15VDC
Operating temperature :  A)-10℃~+60℃ B)-20℃~+70℃ C)-30℃~+80℃ D)-40℃~+85℃
Aging:                ≤5ppm/ year

Special specifications are available as customer