Product: Crystal
Series: X42
Package Type: SMD (4.0 x 2.5 x 0.6 mm)
• General Specifications • Standard Frequencies

General Specifications :
  • RoHS-compliant and Pb-free product.
  • Extremely low aging. High shock and vibration resistance
  • For low EMI, two of the four pads can be used to ground the entire package
  • 0.6 mm height. Ideal for height-constrained products.
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Item / Type X42 Series (4.0 x 2.5 x 0.6 mm)
Frequency Range 12.000 MHz ~ 60.000 MHz
Crystal Cut AT-Cut / Fundamental Mode
Load Capacitance Series Resonance or Parallel (8 to 32 pF typical)
Equivalent Series Resistance (E.S.R.) Frequency Oscillation Mode E.S.R. max.
12.000 MHz ~ 16.000 MHz AT-cut, fundamental mode 80 Ω
16.100 MHz ~ 60.000 MHz AT-cut, fundamental mode 60 Ω
Drive Level 10 µW (100 µW max.)
Frequency Tolerance ±5 ppm, ±10 ppm, ±20 ppm, or ±30 ppm at 25°C
Frequency Stability /
Temperature Range 		-10°C to 60°C -20°C to 70°C -40°C to 85°C
±5 ppm, ±10 ppm, ±15 ppm,
±20 ppm, ±25ppm, ±30ppm		 ±5 ppm (contact Mercury), ±10 ppm, ±15 ppm, ±20 ppm, ±25ppm, ±30ppm ±15 ppm, ±20 ppm,
±25ppm, ±30ppm
Aging ΔF/F: ±3 ppm / year (max.)
Storage Temperature: -50°C to +105°C
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Standard Frequencies and Part Numbers

Note: Tighter tolerance, tighter stability and lower ESR are available.
(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
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