LFXTAL078424B

Overview

The LFXTAL078424B is a quartz crystal manufactured by IQD Frequency Products, designed for through-hole mounting in the HC-49/US package. It operates at a fundamental frequency of 16 MHz with a load capacitance of 20 pF. The component exhibits a frequency tolerance of ±30 ppm and a stability of ±50 ppm. Key electrical parameters include an equivalent series resistance (ESR) of 40 Ohms and a drive level of 1 mW. The unit measures 11.35 mm in length, 4.85 mm in width, and 4.1 mm in height, with a lead spacing of 4.88 mm.

Feature Summary

• Fundamental mode quartz crystal operation providing stable timing signals
• Through-hole radial leaded construction for standard PCB integration
• HC-49/US package form factor ensuring mechanical compatibility

Applications

• General-purpose digital circuit timing references
• Microcontroller clock generation systems
• Industrial control equipment signal synchronization

Procurement Notes

Verify the specific ordering suffix to confirm packaging type, as bulk and reel variants exist for this part number. Confirm RoHS compliance status directly with the manufacturer or authorized distributors prior to procurement. Ensure the selected variant matches the required drive level and load capacitance specifications for the target application circuit design.

Selection Notes

Select this component when a fundamental mode crystal is required for 16 MHz applications using through-hole technology. The HC-49/US package offers robust mechanical stability compared to surface mount alternatives. Consider the ±30 ppm tolerance and 40 Ohm ESR against the oscillator circuit requirements to ensure reliable startup and frequency accuracy within the specified operational temperature range.

Part Context

This part belongs to the IQD Frequency Products quartz crystal portfolio, which includes various SMD and THT options ranging from 1.8 to 50 MHz. The HC-49 series represents traditional through-hole crystals suitable for industrial and consumer applications requiring standard packaging dimensions and established manufacturing processes.

Replacement Considerations

The LFXTAL078424BULK is a confirmed substitute part number representing the same component in bulk packaging. Verify that the replacement maintains identical electrical parameters, including frequency, load capacitance, and ESR, to ensure circuit compatibility.