Overview: This document provides technical specifications for the HC-49S series of AT-cut quartz
crystal resonators, including features, electrical specifications, and dimensions. It highlights the product's wide frequency range, standard and moderate precision, and low profile package.
Features: The resonators are available in surface mount ceramic enclosures, are RoHS compliant, and Pb-free. They are designed for mobile communication with excellent temperature tracking.
Electrical Specifications:- Frequency Tolerance: ±10ppm, ±30ppm at Ta=25°C ± 3°C.
- Load Capacitance: 18pF or specified value.
- Nominal Frequency Range: 3.5MHz to 40.0MHz (Fundamental), 30.0MHz to 80.0MHz (3rd Overtone).
- Operating Temperature Range: -20°C to +70°C, -40°C to +85°C.
- Storage Temperature Range: -55°C to +125°C.
- Drive Level: 0.1mW (1mW Max.).
- Shunt Capacitance: 7pF Max.
- Insulation Resistance: 500MΩ Min.
- Aging: ±5ppm/Year.
Additional Specifications for THR-2520:- Frequency Range: 16 MHz to 96 MHz.
- Equivalent Series Resistance (ESR): Varies with frequency range, e.g., 120Ω Max. for 3.5
- Thermistor Resistance: 100 KΩ±1%.
- Thermistor B-Constant: 4250K±1%.
Dimensions: Detailed dimensions and soldering patterns are provided for accurate installation.
Note: All specifications are subject to change without prior notice. For further details, consulting sales representatives is recommended.
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