MX3KJJI20M0

Crystals Overview

The Meritek MX3KJJI20M0 is a surface-mount quartz crystal unit from the MX3 series, designed for fundamental mode operation. It features a ceramic package with four pads and measures 3.2mm by 2.5mm. The component operates at a nominal frequency of 20.00 MHz with a load capacitance of 18 pF. Frequency tolerance is specified at ±50 ppm, while stability is rated at 0.01%. Aging is limited to 3 ppm per year over an operating temperature range of -40°C to +85°C. The drive level is 10 µW, and the equivalent series resistance is 50 Ω.

Crystals Feature Summary

• Fundamental mode quartz crystal operation in a compact surface-mount ceramic package
• High precision frequency stability with low aging characteristics
• Seam-sealed construction providing excellent heat resistance

Crystals Applications

• Mobile communication devices
• Wireless LAN systems
• Test equipment

Crystals Procurement Notes

Verify the specific ordering suffix against official Meritek documentation to confirm pin configuration and packaging details. Ensure the selected variant matches the required load capacitance and frequency tolerance specifications for the target circuit design. Cross-reference the part number with the manufacturer's current active status to avoid obsolete components.

Crystals Selection Notes

Select this component for applications requiring a 20 MHz fundamental frequency with tight stability requirements. Consider the 3.2x2.5mm footprint for space-constrained designs. Evaluate the 50 Ω ESR and 10 µW drive level compatibility with the oscillator circuit. Confirm the -40°C to +85°C temperature range meets environmental constraints.

Crystals Part Context

This component belongs to the Meritek MX3 series of ceramic SMD crystals. The series offers various frequencies and packages, typically utilizing a 4-pad surface-mount design. The MX3 series is characterized by low profile and high reliability, suitable for consumer electronics and communication hardware requiring stable clock signals.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative manufacturers based on identical electrical parameters and mechanical dimensions before substitution.