The document describes a 6 x 3.5 mm SMD quartz crystal unit with a nominal frequency of 20.000 MHz, fundamental mode of oscillation, ±30 PPM frequency tolerance, operating temperature range of -40 to +85 º C, 12 pF load capacitance, 50 Ohms equivalent series resistance, and other characteristics.
The C6S-20.000-12-3030-X is a surface‑mount quartz crystal unit offered by AKER. It is designed for applications requiring a nominal frequency of 20 MHz with tight tolerance and stability.
Key electrical specifications include a frequency tolerance of ±30 ppm at 25 °C, stability of ±30 ppm over temperature, load capacitance of 12 pF, and ESR up to 50 Ω. Mechanical dimensions are 6 × 3.5 mm SMD with a metal cap and ceramic base, suitable for standard PCB land patterns.
| Nominal Frequency | 20.000 MHz |
|---|---|
| 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) | 50 Ω Max |
| Drive Level | 100 µW Typ – 500 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
| Package Size | 6 × 3.5 mm SMD |
The nominal frequency is 20.000 MHz.
It operates from –40 °C to +85 °C (extended range).
The load capacitance is 12 pF.