402F540XXCLR

Crystals Overview

The CTS-Frequency Controls 402F540XXCLR is a surface-mount fundamental mode quartz crystal resonator operating at 54 MHz. It features a sealed ceramic package with four SMD terminals and no leads, measuring 2.00mm x 1.60mm. The component offers a frequency tolerance of ±15ppm and a load capacitance of 12pF. Equivalent series resistance is specified at 60 Ohms. It supports a standard frequency stability of ±30ppm and operates within a temperature range of -40°C to +105°C.

Crystals Feature Summary

• Sealed ceramic surface mount construction for environmental protection
• Fundamental mode crystal design ensuring stable oscillation
• Lead-free and RoHS compliant manufacturing process

Crystals Applications

• High-frequency clock signal generation in digital circuits
• Microcontroller and processor system timing references
• Communication equipment requiring precise frequency control

Crystals Procurement Notes

Verify the specific suffix codes against the official CTS datasheet to confirm exact electrical parameters such as tolerance and load capacitance. Ensure the selected variant matches the required operating temperature range and package dimensions for the target PCB layout. Cross-reference the part number with the manufacturer's current production status to avoid obsolete components.

Crystals Selection Notes

Select this component when a compact 54 MHz reference is required with tight initial tolerance. Consider the 12pF load capacitance compatibility with the host oscillator circuit. Evaluate the thermal performance requirements against the -40°C to +105°C operational range. Confirm that the surface-mount footprint aligns with automated assembly capabilities.

Crystals Part Context

This part belongs to the CTS 402 Series, which provides miniature surface-mount crystals. The series is designed for applications demanding high reliability and small form factors. The 402F540XXCLR specifically addresses the need for precise frequency control in space-constrained electronic designs.

Crystals Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify direct replacements only through official CTS Frequency Controls channels or authorized distributors.