Quartz Crystal HC-49U 25.000MHZ

1 High-reliability package 2 Excellent vibration resistance, shock resistance 3 Environmental characteristics 4 Low cost

Characteristic:

 1) High-reliability package 2) Excellent vibration resistance, shock resistance and environmental

characteristics 3) Can be automatically mounted, as units provided with taping are available

by request 4) These crystal units are stable and highly reliable, covering a wide

frequency range

Electrical specifications:

This quartz crystal has the frequency range (Fo) of 1.84320MHz to 100.000MHz. The mode is fundametal or AT or Third Overtone. The frequency tolerance (at 25°C) is ±10ppm, ±20ppm, ±30ppm,or specify

Operating temperature range (Torp) is -10°C to 70°C . Storage termperature range (Tstg) is -40°C to 85°C . Shunt capacitance (Co) is 7pF Max . Load capacitance (Cl) is 8 to 32pF series resonance or specify . Insulation resistance is 500 mega ohms minimum at 100V . Drive level is 1mWatts Max . Aging (at 25C) is +/-5ppm/year Max.

Equivalent series resistance :

ESR Resistance of Series Resonance(ESR) Frequency (MHZ) Mode ohm Max Frequency (MHZ) Mode ohm Max 3.200~4.000 Fundamental 100 30.000~50.000 3rd overtone 100 4.001~8.000 Fundamental 80 50.001~90.000 3rd overtone 80 8.001~48.000 Fundamental 40 90.001~110.000 3rd overtone 120

Dimensions:

Quartz Crystal HC-49U 25.000MHZ