The document introduces a 5 x 3.2 mm SMD quartz crystal unit with a frequency of 14.31818 MHz, a frequency tolerance of ±30 PPM, and an operating temperature range of -40 to +85 º C.
The AKER C5S-14.31818-12-3030-X is a surface‑mount quartz crystal unit sized 5 × 3.2 mm, intended for use in precision timing circuits. It complies with RoHS and is supplied lead‑free.
Key specifications include a nominal frequency of 14.31818 MHz, fundamental mode of oscillation, load capacitance of 12 pF, ESR up to 70 Ω, and an operating temperature range of –40 °C to +85 °C. Mechanical dimensions are limited to a maximum height of 5.20 mm and the part follows a recommended land pattern for PCB assembly.
| Nominal Frequency | 14.31818 MHz |
|---|---|
| Mode of Oscillation | Fundamental |
| Frequency Tolerance at 25°C | +30 ppm |
| Frequency Stability over Temperature Range | +30 ppm Max |
| Operating Temperature Range (Extended) | -40 to +85 °C |
| Storage Temperature Range | -55 to +125 °C |
| Aging per Year | +3 ppm Max |
| Load Capacitance | 12 pF |
| Shunt Capacitance (Maximum) | 7 pF |
| Equivalent Series Resistance (ESR) | 70 Ω Max |
| Drive Level | 100 µW Typ – 500 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
| Maximum Height | 5.20 mm |
The nominal frequency is 14.31818 MHz.
It operates from –40 °C to +85 °C (extended range).
The required load capacitance is 12 pF.
The ESR is limited to 70 Ω maximum.