X42 series  (137 KB)
4.0x2.5x0.6 mm - Surface Mount - Crystals
 |
- RoHS compliant, Pb free product
- Ultra-miniature 4x2.5 mm; ultra thin 0.6 mm height
- Gold plated ceramic base with metal lid seam welded package
- Extremely low aging. Specifically designed for hand-held communication equipment, PDAs, GPS and wireless LAN.
- High shock resistance and vibration resistance
|
SPECIFICATIONS:
| Crystal Holder Prefix: |
X42 series |
| Mode of Oscillation: |
12 ~ 50.0 MHz AT-cut Fundamental mode |
| Calibration Tolerance: |
±5 ppm (±0.0005 %); or ±10 ppm (±0.001 %); or ±30 ppm (±0.003 %) at 25°C |
| Frequency Stability: |
±5 ppm (±0.0005 %); or ±10 ppm (±0.001 %); or ±30 ppm (±0.003 %) |
| Operating Temperature Range: |
-20°C to +70°C, or -30°C to +85°C |
| Shunt Capacitance (Co): |
2.0 ~ 4.0 typical, 5 pF maximum |
| Equivalent Series Resistance (E.S.R.) |
Frequency |
Oscillation Mode |
E.S.R. max. |
| 12.0 ~ 20.0 |
AT fundamental mode |
80 ohms |
| 20.1 ~ 50.0 |
AT fundamental mode |
60 ohms |
| Load Capacitance (CL): |
Series (spec. code is "S") |
Parallel (Please specify CL value, typical CL ranges from 10 to 32pF) |
| Drive Level: |
100 µW max. |
| Aging: |
Less than ±3 ppm per year at +25°C |
| Reflow Soldering: |
10 seconds maximum at +260°C two times or
180 seconds at 230°C one time |
| Storage Temperature: |
-40°C to +85°C |
Note: Tighter tolerance, tighter stability and lower ESR are available.
STANDARD FREQUENCIES AND PART NUMBERS
(partial frequency list only. Frequency tolerance, frequency stability and ESR can be specified per your requirements).
| MEC Part Number |
MEC Specification Code |
MEC Part Number |
MEC Specification Code |
| X42-12.800-12P |
20/20/-20+70/80R |
X42-27.000-10P |
20/20/-20+70/60R |
| X42-13.000-16P |
20/20/-20+70/80R |
X42-28.375-10P |
20/20/-20+70/60R |
| X42-14.318-18P |
20/20/-20+70/80R |
X42-28.63636-10P |
20/20/-20+70/60R |
| X42-16.000-16P |
20/20/-20+70/80R |
X42-29.4912-10P |
20/20/-20+70/60R |
| X42-16.384-16P |
20/20/-20+70/80R |
X42-30.000-10P |
20/20/-20+70/60R |
| X42-18.432-16P |
20/20/-20+70/80R |
X42-32.000-10P |
20/20/-20+70/60R |
| X42-19.200-16P |
20/20/-20+70/80R |
X42-32.768-10P |
20/20/-20+70/60R |
| X42-20.000-20P |
20/20/-20+70/80R |
X42-33.000-10P |
20/20/-20+70/60R |
| X42-22.2184-10P |
20/20/-20+70/60R |
X42-35.2512-S |
20/20/-20+70/60R |
| X42-24.000-10P |
20/20/-20+70/60R |
X42-40.000-10P |
20/20/-20+70/60R |
| X42-24.576-10P |
20/20/-20+70/60R |
X42-44.000-S |
20/20/-20+70/60R |
| X42-25.000-10P |
20/20/-20+70/60R |
X42-48.000-S |
20/20/-20+70/60R |
|
