LFXTAL019949

Overview

The LFXTAL019949 is a quartz crystal manufactured by IQD Frequency Products, designed for surface-mount applications. It operates at a fundamental frequency of 5.0000 MHz with a load capacitance of 20 pF. The component features a tolerance of ±30 ppm and a frequency stability of 50 ppm. It utilizes an HC-49/S package style with SMD/SMT termination. The equivalent series resistance (ESR) is specified at 130 Ohms. The device supports a drive level of 500 uW and functions within a temperature range of -20°C to +70°C.

Feature Summary

• Provides precise timing signals at 5.0000 MHz for digital circuits
• Utilizes HC-49/S surface-mount packaging for automated assembly
• Maintains frequency stability within 50 ppm across operating temperatures

Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing systems

Procurement Notes

Verify the specific package variant, as sources indicate both HC-49/4HSMX and HC-49/S designations. Confirm the reel packaging status and minimum order quantities directly with authorized distributors. Ensure the selected part matches the required ESR and drive level specifications for the target circuit design before finalizing procurement.

Selection Notes

Select this component when a 5 MHz surface-mount crystal is required with moderate stability. The HC-49/S form factor offers a balance between size and performance. Consider the 130 Ohm ESR and 500 uW drive level to ensure compatibility with the oscillator circuit. Verify temperature range requirements against the -20°C to +70°C specification.

Part Context

This part belongs to the IQD Frequency Products quartz crystal lineup. It serves as a passive frequency control element in electronic assemblies. The manufacturer specializes in providing various crystal and oscillator solutions for global electronics markets. This specific model addresses needs for standard frequency generation in compact surface-mount designs.

Replacement Considerations

No public substitute part numbers are confirmed in the provided documentation. Cross-referencing requires matching frequency, load capacitance, package dimensions, and electrical parameters such as ESR and stability.