This document describes the electrical and mechanical specifications of a 5 x 3.2 mm SMD quartz crystal unit produced by Aker. The unit has a nominal frequency of 14.7456 MHz and operates in the fundamental mode of oscillation. It has a frequency tolerance of ±30 PPM at 25°C and a frequency stability of ±30 PPM over the temperature range of -40 to +85°C. The load capacitance is 12 pF and the maximum shunt capacitance is 7. The equivalent series resistance (ESR) is 70 ohms maximum and the drive level is 100 typ - 500 max uW. The unit is RoHS compliant and lead-free. The document is dated January 16, 2008.
The AKER C5S-14.7456-12-3030-X is a 5 × 3.2 mm surface‑mount quartz crystal unit designed for precise frequency generation. The datasheet lists its electrical performance, mechanical dimensions, and recommended land pattern for PCB assembly.
Key electrical parameters include a nominal frequency of 14.7456 MHz, load capacitance of 12 pF, and an ESR of up to 70 Ω. Mechanical specifications define a maximum length of 5.20 mm and width of 3.40 mm, with a metal cap and ceramic base construction.
| Nominal Frequency | 14.7456 MHz |
|---|---|
| Mode of Oscillation | Fundamental |
| Frequency Tolerance at 25°C | +30 ppm |
| Frequency Stability over Temperature | +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 Length | 5.20 mm |
| Maximum Width | 3.40 mm |
The nominal frequency is 14.7456 MHz.
The crystal requires a load capacitance of 12 pF.
The extended operating temperature range is –40 °C to +85 °C.
The maximum equivalent series resistance is 70 Ω.