This is a specification sheet for C-4.9152-18-3050-X Quartz Crystal Unit HC-49/U-Through Hole.
This datasheet provides the key electrical characteristics of the AKER C-4.9152-18-3050-X quartz crystal, including its nominal frequency of 4.9152 MHz, frequency tolerance, stability, load capacitance, ESR, and drive level limits. It also lists the temperature ranges for operation and storage, aging rate, and solder reflow requirements.
Mechanical dimensions and marking information are included, with all dimensions given in millimetres. The document is intended for designers and manufacturers who need precise crystal specifications for circuit design and quality assurance.
| Nominal Frequency | 4.9152 MHz |
|---|---|
| Frequency Tolerance at 25°C | +30 ppm |
| Frequency Stability over Temperature Range | +50 ppm Max |
| Operating Temperature Range (Extended) | -40 °C to +85 °C |
| Storage Temperature Range | -55 °C to +125 °C |
| Aging per Year | +3 ppm Max |
| Load Capacitance | 18 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 |
| Maximum Height | 4.56 mm |
| Maximum Length | 11.05 mm |
The nominal frequency is 4.9152 MHz.
It operates from –40 °C to +85 °C (extended range).
The load capacitance is specified as 18 pF.
The drive level may reach up to 500 µW, with a typical value of 100 µW.