405I35E12M28800

Crystals Overview

The CTS-Frequency Controls 405I35E12M28800 is a surface-mount piezoelectric crystal resonator designed for high-frequency signal generation. It operates at a fundamental frequency of 12.288 MHz with a frequency tolerance of ±30ppm and stability of ±50ppm. The component features a 20pF load capacitance and an equivalent series resistance (ESR) of 60 Ohms. Housed in a compact 4-SMD, No Lead package measuring 5.00mm x 3.20mm with a maximum height of 0.85mm, it supports industrial temperature ranges from -40°C to +85°C. This device utilizes base harmonic operation mode.

Crystals Feature Summary

• Provides precise timing signals via fundamental resonance mode
• Supports automated assembly through standard surface-mount packaging
• Maintains frequency stability across extended industrial temperature environments

Crystals Applications

• Microcontroller clock sources requiring specific baud rate divisors
• Digital audio interface synchronization circuits
• Communication protocol transceivers utilizing 12.288 MHz references

Crystals Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct frequency and tolerance specifications. Confirm that the selected variant matches the required load capacitance and ESR values for the target circuit design. Cross-reference the package dimensions and pin configuration with the PCB footprint library to prevent mounting errors during assembly.

Crystals Selection Notes

Select this component when a stable 12.288 MHz reference is required for digital systems. Ensure the application circuit provides the specified 20pF load capacitance to achieve the stated ±30ppm accuracy. Consider the 60 Ohm ESR limit when designing oscillator feedback networks. Verify that the operating environment remains within the -40°C to +85°C range for optimal performance.

Crystals Part Context

This component belongs to the 405 Series of surface-mount crystals manufactured by CTS-Frequency Controls. The series offers various frequencies and packages optimized for modern electronics manufacturing. The 405I35E12M28800 specifically addresses applications needing exact division of higher clock speeds or standardized audio sampling rates.

Crystals Replacement Considerations

Direct substitutes include other 12.288 MHz SMD crystals with matching 20pF load capacitance and similar physical dimensions. Verify compatibility regarding ESR limits and temperature coefficients before substitution.