SMD Crystal Unit
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SMD Crystal Unit

Specification
Part No.
Example
S-Freq-CL-SMD S-4.000-18-SMD
Specification
HC-49/S SMD
Frequency Range3.5 to 66.0MHz
Mode of OscillationFundamental / 3rd Overtone
Tolerance at 25°C±10 to ±50ppm
Temperature Stability±5ppm to ±50ppm
Operating Temperature Range
-10°C to +60°C / -40°C to +85°C
Load Capacitance10 to 32pF / Series
ESR*See Table Below
Drive Level100μW Max.
Storage Temperature Range -55°C to +125°C
Aging
±5ppm/year Max.

HC-49/S SMD ESR Table:
Oscillation ModeFrequency Range (MHz) ESR (Ohm)
Fundamental3.5 to 3.9 200 Max.
4.0 to 7.9150 Max.
8.0 to 11.970 Max.
12.0 to 23.9 50 Max.
  24.0 to 30.0 40 Max.
3rd Overtone 30.0 to 66.0 80 Max.


smd4901

Dimension
smd4902
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