ILCX19-FF5F10-27.120MHZ

Crystals Overview

The ILCX19-FF5F10-27.120MHZ is a parallel fundamental quartz crystal from the ILCI series, manufactured by ILSI America. It operates at a nominal frequency of 27.120 MHz with a load capacitance of 10 pF. The component features a 4-pin ultra-miniature surface-mount ceramic package measuring 2.0 mm x 1.6 mm x 0.55 mm. Key electrical specifications include a maximum equivalent series resistance of 80 ohms for frequencies between 24 MHz and 25.9 MHz (with similar limits up to 72 MHz), a shunt capacitance of 3 pF maximum, and a drive level of 100 µW maximum. Frequency tolerance is ±30 ppm at 25°C, with aging specified at 5 ppm per year maximum.

Crystals Feature Summary

• Ultra miniature 4-pad ceramic surface-mount package design
• Compatible with lead-free solder reflow processing standards
• Low cost manufacturing optimized for high-volume applications

Crystals Applications

• SONET / SDH communication systems
• IEEE 802.11 WiFi networks
• T1/E1 and T3/E3 transmission lines

Crystals Procurement Notes

Verify that the specific ordering suffix matches the required frequency tolerance and load capacitance parameters. Confirm compliance with RoHS directives and lead-free processing requirements before integration. Ensure the supply chain source provides authentic documentation matching the manufacturer's official specifications for quality assurance.

Crystals Selection Notes

Select this component for designs requiring precise timing in compact form factors. The 10 pF load capacitance must match the oscillator circuit requirements. Consider the 80 ohm ESR limit when designing drive levels to ensure stability within the specified temperature range without exceeding power constraints.

Crystals Part Context

This part belongs to the ILCX19 series of ultra-miniature crystals. The series offers various frequency options and tolerance grades, utilizing a standard 4-pin SMD footprint. It serves as a timing reference solution for portable and space-constrained electronic devices requiring stable clock signals.

Crystals Replacement Considerations

Direct substitutes may include other ILCX19 variants with identical mechanical dimensions and electrical parameters. Verify compatibility with existing PCB footprints and oscillator circuits when considering alternative part numbers from the same family.