LFXTAL003174BULK

Overview

The LFXTAL003174BULK is a through-hole quartz crystal resonator manufactured by IQD Frequency Products. It operates at a nominal frequency of 18.432 MHz with a load capacitance of 30 pF and a tolerance of ±20 ppm. The unit features an equivalent series resistance (ESR) of 35 Ohms and a frequency stability of ±50 ppm over its operating range. Designed for the HC-49/U package, it supports a temperature range from -10°C to +60°C. This component utilizes radial leads for standard printed circuit board mounting.

Feature Summary

• Provides precise timing signals via fundamental mode quartz resonance
• Supports standard through-hole PCB assembly techniques
• Delivers stable oscillation within specified commercial temperature limits

Applications

• Microcontroller clock sources
• Serial communication interface timing
• General-purpose digital logic circuits

Procurement Notes

Verify the specific suffix requirements against the official IQD datasheet to ensure compatibility with your design. Confirm that the HC-49/U package dimensions align with your PCB footprint constraints. Check current availability status as distribution channels may vary. Ensure the operating temperature range meets your environmental specifications before finalizing the procurement plan.

Selection Notes

Select this component when a 18.432 MHz reference is required for serial data transmission standards. The 30 pF load capacitance must match the oscillator circuit design parameters. Consider the 35 Ohm ESR value for drive level calculations. Verify that the ±20 ppm tolerance satisfies the system's jitter and synchronization requirements.

Part Context

This part belongs to the IQD Frequency Products quartz crystal lineup, designed for reliable frequency control in electronic systems. As a member of the Würth Elektronik group, IQD provides components for various industrial and commercial sectors. The LFXTAL series represents standard through-hole solutions for cost-effective timing applications.

Replacement Considerations

Consult the manufacturer's substitution guide for direct equivalents. Verify that any replacement maintains the 18.432 MHz frequency, 30 pF load capacitance, and HC-49/U package form factor. Ensure electrical parameters such as ESR and stability meet or exceed original specifications.