This is a product specification sheet that introduces the product's model, frequency, resonant frequency, frequency stability, operating temperature range, storage temperature range, and annual aging characteristics.
The CAA-9.8304-18-3050-X is a quartz crystal unit supplied by AKER in an HC-49/U-S-SMD package. It complies with RoHS requirements and is lead‑free. The part is intended for use in frequency‑critical applications where stability and low aging are required.
Key electrical parameters include a nominal frequency of 9.8304 MHz, a frequency tolerance of +30 ppm at 25 °C, and a stability of +50 ppm over temperature. Mechanical dimensions and temperature limits are also listed, with an extended operating range of –40 °C to +85 °C and a storage range of –55 °C to +125 °C.
| Nominal Frequency | 9.8304 MHz |
|---|---|
| Frequency Tolerance (25 °C) | +30 ppm |
| Frequency Stability over Temperature | +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) | 60 Ω Max |
| Drive Level | 100 µW Typ – 500 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
The nominal frequency is 9.8304 MHz.
It operates from –40 °C to +85 °C (extended range).
The load capacitance is 18 pF.
Yes, the crystal is RoHS compliant and lead‑free.