LFXTAL054236

Overview

The LFXTAL054236 is a quartz crystal from the CFPX-217 series, designed for precision timing applications. It operates at a nominal frequency of 32.768 kHz with a frequency tolerance of ±20 ppm. The component features a load capacitance of 6 pF and an equivalent series resistance (ESR) of 70 kOhms. It utilizes a surface-mount package measuring 3.2 mm by 1.5 mm.

Feature Summary

• Tuning fork design optimized for low-power consumption
• Sealed metal lid construction for environmental protection
• Compact surface-mount footprint suitable for space-constrained designs

Applications

• Precision timing circuits requiring stable low-frequency reference
• Real-time clock modules in consumer electronics
• Battery-powered devices necessitating low power operation

Procurement Notes

Verify the specific load capacitance and ESR requirements against the target circuit design to ensure oscillation stability. Confirm that the 3.2 mm x 1.5 mm SMD package dimensions align with the PCB layout constraints. Ensure compatibility with standard reflow soldering profiles for this ceramic package type.

Selection Notes

Select this component when a 32.768 kHz reference is required in a minimal footprint. The 6 pF load capacitance suits circuits with specific capacitive loading needs. Consider the 70 kOhm ESR for oscillator loop gain calculations to guarantee reliable startup conditions.

Part Context

This part belongs to the CFPX-217 series of quartz crystals manufactured by IQD Frequency Products. The series focuses on compact, sealed metal packages for general-purpose timing applications. It complements other IQD offerings like the CFPS-73 oscillators and HC49 through-hole crystals.

Replacement Considerations

Direct substitutes include other 32.768 kHz tuning fork crystals with identical 6 pF load capacitance and similar physical dimensions. Verify mechanical fit and electrical parameters before swapping.