402F540XXCKR

Crystals Overview

The 402F540XXCKR is a surface-mount crystal manufactured by CTS-Frequency Controls. It operates at a fundamental frequency of 54 MHz with a stability and tolerance of ±15ppm. The component features an 8pF load capacitance and a maximum equivalent series resistance (ESR) of 60 Ohms. It utilizes a 4-SMD, No Lead package measuring 2.00mm x 1.60mm with a maximum height of 0.55mm. Designed for base harmonic operation, it supports a commercial temperature range of -20°C to +70°C.

Crystals Feature Summary

• Compact 4-SMD No Lead package design suitable for space-constrained surface mount applications
• Fundamental mode operation providing stable oscillation at 54 MHz
• Commercial grade temperature rating optimized for standard electronic environments

Crystals Applications

• General purpose clock generation in consumer electronics
• Timing reference for microcontrollers and digital logic circuits
• Communication module oscillator sources

Crystals Procurement Notes

Verify the specific suffix configuration against the manufacturer's official documentation to ensure correct load capacitance and tolerance specifications. Confirm that the required operating temperature range aligns with the commercial limits defined in the datasheet. Cross-reference the package dimensions with PCB footprint requirements prior to procurement to guarantee mechanical compatibility.

Crystals Selection Notes

Select this component when a 54 MHz fundamental frequency is required with ±15ppm stability. Ensure the application circuit can accommodate an 8pF load capacitance and 60 Ohm ESR limit. Verify that the commercial temperature range meets the environmental demands of the target system before finalizing the selection.

Crystals Part Context

This part belongs to the 402 Series of crystals from CTS-Frequency Controls. The series offers various frequencies and packages designed for surface mount technology. The 402F540XXCKR specifically addresses the need for compact timing solutions in modern electronic designs requiring precise frequency control.

Crystals Replacement Considerations

Direct substitutes include the 402F540XXCAR and 402F540XXCJR from CTS-Frequency Controls. These alternatives share similar form factors but differ in load capacitance values. Verify electrical parameters match the original design requirements before substitution.