This product is a 25.000 MHz frequency quartz crystal unit, using HC-49/U-S package, through hole, RoHS compliant, lead free. The main features are frequency tolerance of ±30 PPM, load capacitance of 18 pF, and a maximum equivalent series resistance of 40 Ohms.
The AKER CA-25.000-18-3050-X is a through‑hole quartz crystal unit designed for precise frequency control. It operates at a nominal frequency of 25.000 MHz with tight tolerance and stability specifications.
The device complies with RoHS requirements and includes mechanical dimensions and reflow characteristics suitable for standard PCB assembly. Electrical parameters such as load capacitance, ESR, and drive level are provided for design integration.
| Nominal Frequency | 25.000 MHz |
|---|---|
| Frequency Tolerance at 25°C | +30 ppm |
| Frequency Stability over Temperature | +50 ppm Max |
| Operating Temperature Range | -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 |
The nominal frequency is 25.000 MHz.
It operates from –40 °C to +85 °C.
The load capacitance is 18 pF.
Yes, the document states it is RoHS compliant.