407F39E018M4320

Crystals Overview

The CTS-Frequency Controls 407F39E018M4320 is a surface-mount quartz crystal resonator operating at a nominal frequency of 18.432 MHz. It features a load capacitance of 20 pF and a frequency tolerance of ±30 ppm. The component utilizes a fundamental mode of oscillation with an equivalent series resistance (ESR) of 60 Ohms. It is housed in a 4-SMD, no-lead package measuring 7.00 mm x 5.00 mm with a maximum height of 1.30 mm. The device supports an operating temperature range of -20°C to +70°C and complies with RoHS3 standards.

Crystals Feature Summary

• Surface-mount design for automated assembly processes
• Fundamental mode operation for stable frequency generation
• Compliance with RoHS3 environmental regulations

Crystals Applications

• Microcontroller clock circuits
• Communication module timing references
• Digital signal processing systems

Crystals Procurement Notes

Verify the specific suffix 'E' against official CTS documentation to confirm the exact load capacitance and tolerance specifications, as ordering codes may vary by distributor. Ensure the required operating temperature range aligns with the standard industrial rating. Cross-reference the package dimensions with the target PCB footprint to guarantee mechanical compatibility during placement.

Crystals Selection Notes

Select this component when a 18.432 MHz reference is required with moderate stability and a 20 pF load capacitance. Consider the 60 Ohm ESR value for oscillator circuit design to ensure reliable startup. Evaluate the 7x5 mm package size against available board space constraints compared to smaller family members.

Crystals Part Context

This part belongs to the 407 series of SMD crystals from CTS-Frequency Controls. The series offers various frequencies and package sizes optimized for general-purpose timing applications. The 407 series typically provides a balance between performance and cost for consumer and industrial electronics requiring precise clock signals.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.