402F2711XIDR

Crystals Overview

The CTS-Frequency Controls 402F2711XIDR is a surface-mount MHz crystal operating at a fundamental frequency of 27.12 MHz. It features a load capacitance of 18 pF and an equivalent series resistance (ESR) of 100 Ohms. The component exhibits a frequency stability and tolerance of ±30 ppm. Packaged in a compact 4-SMD, No Lead form factor with dimensions of 2.00mm x 1.60mm, it is designed for applications requiring precise timing signals within standard commercial temperature ranges.

Crystals Feature Summary

• Fundamental mode operation ensures stable oscillation characteristics
• Compact surface-mount package facilitates automated PCB assembly
• Standardized load capacitance supports common oscillator circuit designs

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix against official datasheets to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with reflow soldering profiles defined in the manufacturer's guidelines. Confirm availability status as components may be subject to discontinuation or supply chain constraints. Cross-reference part numbers with authorized distributors to avoid counterfeit products.

Crystals Selection Notes

Select this component when a 27.12 MHz fundamental frequency is required for system synchronization. Consider the 18 pF load capacitance requirement to ensure accurate frequency matching with the host oscillator circuit. Evaluate the ±30 ppm stability against system timing budget requirements. Verify that the 4-SMD package size fits within the designated footprint on the printed circuit board.

Crystals Part Context

This part belongs to the 402 series of crystals from CTS-Frequency Controls. The series offers various frequencies and packages for general-purpose timing applications. The 402F2711XIDR specifically targets the 27.12 MHz band, commonly used in legacy communication standards and embedded systems requiring precise clock generation without active oscillator complexity.

Crystals Replacement Considerations

Direct substitutes include other 27.12 MHz SMD crystals with identical 18 pF load capacitance and similar ESR values. Verify pinout compatibility and mechanical dimensions before substitution. Check if alternative manufacturers offer RoHS-compliant equivalents with matching frequency stability ratings.