This is a product specification sheet that introduces the brand, model, frequency, resonance frequency, frequency stability, operating temperature range, storage temperature range, annual aging change rate, load capacitance, parallel capacitance, equivalent series resistance, and drive level of the product.
The CA-14.31818-18-3050-X is a through‑hole HC‑49/U‑S quartz crystal unit manufactured by AKER. It complies with RoHS requirements and is supplied in a standard rectangular package.
Key electrical parameters include a nominal frequency of 14.31818 MHz, a load capacitance of 18 pF, and a frequency tolerance of +30 ppm at 25 °C. Mechanical dimensions and temperature ranges are also specified for reliable operation in a variety of environments.
| Nominal Frequency | 14.31818 MHz |
|---|---|
| Frequency Tolerance (25 °C) | +30 ppm |
| Frequency Stability (Temp Range) | +50 ppm Max |
| Operating Temperature Range | -40 to +85 °C |
| Storage Temperature Range | -55 to +125 °C |
| Aging per Year | +3 ppm Max |
| Load Capacitance | 18 pF |
| Shunt Capacitance (Maximum) | 7 pF |
| Equivalent Series Resistance (ESR) | 50 Ω Max |
| Drive Level | 100 µW Typ – 500 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
| Maximum Length | 11.35 mm |
The nominal frequency is 14.31818 MHz.
It requires a load capacitance of 18 pF.
The crystal operates from –40 °C to +85 °C.
The ESR must not exceed 50 Ω.