High Frequency Precision Crystal (Through Hole)
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High Frequency Precision Crystal (Through Hole)

Specification
Part No. Example
U45-SC-Freq-CL-OT U45-SC-100.000-20-5OT
Specification HC-45/U
Frequency Range 50.000MHz to 120.000MHz 75.000MHz to 190.000MHz
Mode of Oscillation 3rd Overtone 5th Overtone
Calibration Tolerance at 25°C ±2ppm (min.)
Temperature Stability ±0.01ppm to ±1ppm (standard)
Best Stability vs. Temperature Range ±0.01ppm per 0°C @ LTP
±15ppm @ 0°C to +70°C
Upper Turnover Temperature C to C
Lower Turnover Temperature +70°C to +90°C
Load Capacitance Series to 56pF
ESR 50ohms (max.) 60ohms (max.)
Drive Level
50μW (typical)
Aging
±3ppb/day



hc45sc

Dimension
hc45sc