This one-page product specification from AKER covers the C7S-16.000-12-3030-X, a 7x5 mm SMD quartz crystal unit with a metal cap and ceramic base. It lists the electrical characteristics, including a 16.000 MHz nominal frequency in fundamental mode, frequency stability and tolerance figures, operating and storage temperature ranges, load and shunt capacitance, ESR, drive level and the solder reflow rating. The sheet also states RoHS compliance and lead-free construction.
The mechanical section gives the package dimensions in millimeters and notes that pads #2 and #4 are GND. The document carries the Farnell order code 1538815, is dated Jan. 16, 2008 and is marked page 1/1.
| Nominal Frequency | 16.000 MHz |
|---|---|
| Mode of Oscillation | Fundamental |
| Frequency Stability over Temperature Range | +30 PPM Max |
| Operating Temperature Range (Extended) | -40 to +85 °C |
| Storage Temperature Range | -55 to +125 |
| Aging per Year | +3 PPM Max |
| Load Capacitance | 12 |
| Shunt Capacitance (Maximum) | 7 pF |
| Equivalent Series Resistance (ESR) | 45 Ohms Max |
| Drive Level | 100 Typ - 500 Max uW |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
| Package | 7x5 mm SMD, metal cap, ceramic base |
| Ground Pads | #2 and #4 |
| Part Number | C7S-16.000-12-3030-X |
| Farnell Order Code | 1538815 |
| Compliance | RoHS compliant, lead free |
The nominal frequency is 16.000 MHz, operating in fundamental mode.
The extended operating temperature range is -40 to +85 °C.
The ESR is 45 Ohms maximum.
Pads #2 and #4 are GND according to the mechanical drawing.