This is a 4.194304 MHz frequency quartz crystal unit with an operating temperature range of -40 to +85 º C and a storage temperature range of -55 to +125.
The CA-4.194304-18-3050-X is a through‑hole quartz crystal unit (HC‑49/U‑S) designed for precise frequency generation at 4.194304 MHz. It offers a nominal load capacitance of 18 pF, ESR up to 120 Ω, and a drive level ranging from 100 µW typical to 500 µW maximum.
The component complies with RoHS and is lead‑free. Mechanical dimensions are given in millimetres, with a maximum height of 11.35 mm. Ordering information includes the part number CA-4.194304-18-3050‑X and Farnell order code 1538734. The datasheet was reviewed on Jan 16 2008.
| Nominal Frequency | 4.194304 MHz |
|---|---|
| Frequency Tolerance at 25 °C | +30 ppm |
| Frequency Stability over Temperature | +50 ppm Max |
| Operating Temperature Range | -40 to +85 °C |
| Load Capacitance | 18 pF |
| Shunt Capacitance (Maximum) | 7 pF |
| Equivalent Series Resistance (ESR) | 120 Ω Max |
| Drive Level | 100 µW Typ – 500 µW Max |
| Solder Reflow Characteristics | +260 °C for 10 s Max |
| Maximum Height | 11.35 mm |
The nominal frequency is 4.194304 MHz.
The part number is CA-4.194304-18-3050-X.
The crystal operates from –40 °C to +85 °C.
The load capacitance is specified as 18 pF.