This datasheet provides specifications for the C-27.000-18-3050-X Quartz Crystal Unit HC-49/U-Through Hole product, including frequency, temperature range, capacitance, etc.
This datasheet provides the key electrical specifications of the AKER C-27.000-18-3050-X quartz crystal, such as its nominal frequency of 27.000 MHz, frequency tolerance, stability, load capacitance, ESR, and drive level. It also lists the mechanical dimensions and marking details for the HC‑49/U through‑hole package.
Additional information includes the operating and storage temperature ranges, aging rate, and solder reflow characteristics. All dimensions are given in millimetres, and the part number is referenced for ordering and documentation purposes.
| Nominal Frequency | 27.000 MHz |
|---|---|
| Frequency Tolerance at 25°C | +30 ppm |
| Frequency Stability over Temperature Range | +50 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 | 18 pF |
| Shunt Capacitance (Maximum) | 7 pF |
| Equivalent Series Resistance (ESR) | 40 Ω Max |
| Drive Level | 100 µW Typ – 500 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
| Maximum Height | 4.56 mm |
| Maximum Length | 11.05 mm |
| Minimum Width | 12.7 mm |
The nominal frequency is 27.000 MHz.
It operates from –40 °C to +85 °C (extended range).
The load capacitance is 18 pF.
The ESR is limited to 40 Ω maximum.