LFXTAL059529

Overview

The LFXTAL059529 is a quartz crystal resonator manufactured by IQD Frequency Products, designed for surface-mount applications. It operates at a nominal frequency of 18.432 MHz with a frequency tolerance of ±20 ppm and stability of ±30 ppm. The component utilizes an 18 pF load capacitance and features a low equivalent series resistance (ESR) of 50 Ohms. Housed in a compact 4-SMD, no-lead package measuring 5.00 mm x 3.20 mm x 1.00 mm, it supports operation across a temperature range of -40°C to +85°C.

Feature Summary

• Provides precise timing reference at 18.432 MHz with tight frequency tolerance
• Designed for surface-mount integration in space-constrained PCB layouts
• Operates reliably within industrial temperature ranges

Applications

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

Procurement Notes

Verify the specific ordering suffix to ensure the correct packaging configuration matches production requirements. Confirm that the load capacitance aligns with the oscillator circuit design to maintain frequency accuracy. Check RoHS compliance status if environmental regulations apply to the final assembly. Ensure the surface-mount footprint dimensions are compatible with the manufacturing equipment capabilities.

Selection Notes

Select this component when a stable 18.432 MHz reference is required for digital logic or communication protocols. The 50 Ohm ESR value suits standard oscillator circuits without requiring excessive drive levels. Consider the 4-SMD package size for high-density board designs where through-hole components are impractical. Validate the temperature range against the operational environment to ensure long-term stability.

Part Context

This part belongs to the CFPX-104 series of quartz crystals from IQD Frequency Products. The series offers various frequencies and packages for general-purpose timing applications. IQD provides these components for use in consumer, industrial, and automotive electronics requiring reliable frequency control.

Replacement Considerations

Direct substitutes must match the 18.432 MHz frequency, 18 pF load capacitance, and 4-SMD footprint. Verify equivalent ESR and frequency stability specifications to ensure circuit compatibility.