LFXTAL029914

Overview

The LFXTAL029914 is a surface-mount parallel fundamental quartz crystal manufactured by IQD Frequency Products. It operates at a nominal frequency of 8 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm. The component features a load capacitance of 16 pF and an equivalent series resistance (ESR) of 40 Ohms. Designed for operation between -20°C and +70°C, it utilizes the HC49/4HSMX package measuring 11.4 mm in length, 4.9 mm in width, and 4.3 mm in height. The drive level is specified at 500 µW.

Feature Summary

• Surface-mount design compatible with automated assembly processes
• Fundamental parallel resonance mode for stable clock generation
• HC49/4HSMX package form factor for compact integration

Applications

• Microcontroller clock sources
• Communication interface timing circuits
• Digital logic synchronization

Procurement Notes

Verify the specific suffix designation against the manufacturer's current documentation to ensure correct packaging configuration. Confirm that the required frequency tolerance and stability meet the target circuit specifications before finalizing procurement orders.

Selection Notes

Select this component when a surface-mount quartz crystal is required for 8 MHz applications. Ensure the circuit design supports a 16 pF load capacitance and can accommodate a maximum ESR of 40 Ohms. Verify thermal requirements align with the -20°C to +70°C operating range.

Part Context

This part belongs to the HC49/4HSMX series of quartz crystals from IQD Frequency Products. These components are standard passive elements used for providing precise frequency references in electronic systems. The series offers various frequency options within a consistent surface-mount footprint.

Replacement Considerations

Cross-reference with other 8 MHz SMD crystals featuring 16 pF load capacitance and similar physical dimensions. Ensure substitute parts match the HC49/4HSMX outline and electrical parameters including ESR and drive level sensitivity.