This datasheet provides the specification information of Aker C-32.000-18-3050-X Quartz Crystal Unit HC-49/U.
The HC-49/U quartz crystal unit from Aker is a through‑hole component designed for precise frequency control in electronic circuits. It complies with RoHS standards and is supplied with detailed electrical and mechanical data.
Key specifications include a nominal frequency of 3.579545 MHz, a load capacitance of 18 pF, and an operating temperature range from –40 °C to +85 °C. Mechanical dimensions are provided in millimetres, and the part is identified by the number C-3.579545-18-3050-X.
| Nominal Frequency | 3.579545 MHz |
|---|---|
| Mode of Oscillation | Fundamental |
| 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) | 200 Ohms Max |
| Drive Level | 1 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
The nominal frequency is 3.579545 MHz.
It requires a load capacitance of 18 pF.
The extended operating temperature range is –40 °C to +85 °C.