402F271XXCKR

Crystals Overview

The 402F271XXCKR is a parallel fundamental quartz crystal manufactured by CTS-Frequency Controls. It operates at a nominal frequency of 27.12 MHz with a load capacitance of 8 pF and an equivalent series resistance of 100 Ohms. The component features a frequency tolerance of ±15 ppm and stability of ±20 ppm. It utilizes a hermetic ceramic surface mount package measuring 2.00mm x 1.60mm x 0.55mm (4-SMD, No Lead). The device supports a standard operating temperature range of -20°C to +70°C and is supplied in tape and reel packaging.

Crystals Feature Summary

• Hermetic ceramic surface mount construction for environmental protection
• Fundamental AT-cut quartz design ensuring high frequency stability
• Sub-miniature footprint optimized for dense PCB layouts

Crystals Applications

• General purpose clock generation circuits
• Microcontroller system timing references
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific suffix configuration against official CTS documentation to ensure compatibility with required frequency codes and tolerance levels. Confirm that the selected variant matches the intended operating temperature range and load capacitance requirements for the target application circuit design.

Crystals Selection Notes

Select this component when a sub-miniature hermetic crystal is required for space-constrained designs. Ensure the driving level remains within specified limits to prevent frequency drift. Verify that the 8 pF load capacitance aligns with the oscillator circuit's total stray capacitance requirements.

Crystals Part Context

This part belongs to the 402 Series of sub-miniature surface mount crystals from CTS-Frequency Controls. The series offers various frequency options in a compact 2.0mm x 1.6mm package, providing a balance between size reduction and performance reliability for modern electronic applications.

Crystals Replacement Considerations

Consult official substitution guides for direct replacements. Generic equivalents may differ in hermetic sealing or aging characteristics.