This is a product specification sheet that mainly introduces the product's model, frequency, temperature range, load capacitance, etc.
The AKER C-14.31818-18-3050-X is a quartz crystal unit in an HC-49/U through‑hole package. It is designed for precise frequency control in electronic circuits and complies with RoHS lead‑free requirements.
Key electrical characteristics include a nominal frequency of 1 431 818 MHz, load capacitance of 18 pF, and an ESR of up to 25 Ω. The device operates from –40 °C to +85 °C (extended range) and can be stored from –55 °C to +125 °C. Mechanical dimensions are provided in millimetres, and the part is marked with the code C‑14.31818‑18‑3050‑X.
| Nominal Frequency | 1431818 MHz |
|---|---|
| Frequency Tolerance at 25°C | +30 |
| Frequency Stability over Temperature Range | +50 PPM Max |
| Operating Temperature Range (Extended) | -40 to +85 °C |
| Storage Temperature Range | -55 to +125 |
| Aging per Year | +3 PPM Max |
| Load Capacitance | 18 pF |
| Shunt Capacitance (Maximum) | 7 pF |
| Equivalent Series Resistance (ESR) | 25 Ohms Max |
| Drive Level | 100 Typ - 500 Max uW |
| Solder Reflow Characteristics | +260 for 10 s Max °C |
The nominal frequency is 1 431 818 MHz.
The load capacitance is 18 pF.
It operates from –40 °C to +85 °C (extended range).