HC49US-FF5F18-24.000MHZ

Crystals Overview

The ILSI HC49US-FF5F18-24.000MHZ is a surface-mount quartz crystal resonator operating at a nominal frequency of 24 MHz. It utilizes the HC-49/US package with dimensions of 13.3 mm x 4.7 mm and a maximum height of 4.5 mm. The component features a load capacitance of 18 pF, an equivalent series resistance (ESR) of 30 Ohms, and a frequency tolerance of ±30 ppm. It supports a drive level of 1 mW and operates within a temperature range of -40°C to +85°C.

Crystals Feature Summary

• Surface-mount construction in standard HC-49/US form factor
• AT-cut quartz element for stable fundamental resonance
• Lead-free processing compatibility

Crystals Applications

• Fibre Channel systems
• SONET/SDH network equipment
• T1/E1 and T3/E3 system clocks

Crystals Procurement Notes

Verify that the specific part number matches the required SMD package variant rather than through-hole versions. Confirm the ESR specification aligns with oscillator circuit requirements. Ensure the temperature range meets the operational environment standards. Check RoHS compliance documentation for regulatory adherence.

Crystals Selection Notes

Select this component when a compact surface-mount solution is required for 24 MHz timing. The low ESR value facilitates efficient oscillation in standard circuits. The wide temperature range ensures reliability in industrial or outdoor applications compared to commercial-grade alternatives.

Crystals Part Context

This model belongs to the HC49USM series, which provides surface-mount variants of traditional metal can crystals. The series offers cost-effective timing solutions compatible with automated assembly processes while maintaining performance levels suitable for telecommunications and data storage interfaces.

Crystals Replacement Considerations

Compatible substitutes include other manufacturers' HC-49/US SMD crystals with identical 24 MHz frequency, 18 pF load capacitance, and similar physical dimensions.