This datasheet describes the CITIZEN Micto_Humanlec AT CUT CRYSTAL UNIT (Metal-can Type) HC-49/U-S, a high-performance miniature crystal unit designed for various applications such as communication, AV, automotive, and measurement devices.
Key features include:
- Available in tape and reel form
- Ultra-precise processing technology
- Nominal frequency range: 3.5MHz to 30.0MHz (fundamental) and 30.0MHz to 50.0MHz (3rd overtone)
- Frequency tolerance: ±3ppm to ±150ppm depending on the frequency range and operating temperature
- Operating temperature range: -10°C to +60°C
- Storage temperature range: -40°C to +85°C
Standard Specifications
The unit has a motional (series) resistance (Ri) that varies with frequency, and a load capacitance (CL) of 16.0pF, 18.0pF, or other values.
Part Numbering System
The part number includes the model, frequency, CIZ management code, and other specifications.
Manual:
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Pricing & Distributors: https://www.datasheets360.com/part/detail/hc-49-u-sfreq7aayt/5626428272645516850/
