LFXTAL024940

Overview

The LFXTAL024940 is a quartz crystal resonator manufactured by IQD Frequency Products. It operates at a nominal frequency of 4 MHz with a frequency tolerance of ±30 ppm and a load capacitance of 18 pF. The component utilizes an HC49/4HSMX package for surface mount technology. Its equivalent series resistance (ESR) is specified at 130 Ohms, ensuring stable oscillation characteristics within the designated electrical parameters.

Feature Summary

• Provides precise 4 MHz timing reference
• Utilizes HC49/4HSMX surface mount packaging
• Maintains ±30 ppm frequency stability

Applications

• General purpose digital circuit timing
• Microcontroller clock sources
• Embedded system synchronization

Procurement Notes

Verify the specific package variant HC49/4HSMX against design requirements. Confirm that the 130 Ohm ESR aligns with oscillator circuit capabilities. Ensure the 18 pF load capacitance matches the host system's design specifications before finalizing procurement decisions.

Selection Notes

Select this component when a standard 4 MHz frequency is required for embedded applications. The HC49/4HSMX form factor offers reliable surface mount integration. Consider the ±30 ppm tolerance as sufficient for general timing needs where high precision is not critical.

Part Context

This part belongs to the IQD Frequency Products quartz crystal lineup. It serves as a fundamental frequency control element for electronic designs requiring stable clock signals. The product represents a standard solution for basic timing applications across various consumer and industrial electronics sectors.

Replacement Considerations

Cross-reference other 4 MHz crystals with matching 18 pF load capacitance and similar ESR values. Verify package compatibility with existing PCB footprints. Ensure frequency tolerance meets application requirements if substituting with alternative manufacturers' components.