403I35E14M31818

Crystals Overview

The CTS-Frequency Controls 403I35E14M31818 is a fundamental mode quartz crystal resonator designed for surface mount applications. It operates at a nominal frequency of 14.31818 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm. The component features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 60 Ohms. It utilizes a 4-SMD, no-lead package measuring 3.2 mm in length, 2.5 mm in width, and 0.75 mm in height. The device supports a wide operating temperature range from -40°C to +85°C and is supplied in tape and reel packaging.

Crystals Feature Summary

• Fundamental resonance mode operation ensures stable frequency generation.
• Surface mount design facilitates automated assembly processes.
• Wide industrial temperature range supports diverse environmental conditions.

Crystals Applications

• General purpose clock signal generation
• Microcontroller timing circuits
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific suffix codes against official CTS documentation to confirm exact electrical parameters and packaging specifications. Ensure compatibility with existing circuit load capacitance requirements before integration. Confirm RoHS compliance status through current manufacturer declarations. Validate that the selected variant matches the required frequency tolerance and stability metrics for the target application environment.

Crystals Selection Notes

Select this component when a standard 14.31818 MHz reference is required for surface mount designs. Consider the 60 Ohm ESR value for oscillator circuit stability analysis. The 20 pF load capacitance must align with the host oscillator's design specifications. Evaluate the 3.2x2.5mm footprint constraints against available PCB real estate. Verify thermal performance requirements against the specified -40°C to +85°C operational range.

Crystals Part Context

This part belongs to the CTS 403 series of fundamental quartz crystals. The series offers various frequency options in a compact SMD form factor. It serves as a passive frequency control element within electronic systems requiring precise timing references. The component complements active oscillators by providing the core resonant element.

Crystals Replacement Considerations

Direct substitutes include 403I35D14M31818, 403C35S32M00000, and 405I35E14M31818. Verify pinout compatibility and electrical parameter equivalence before substitution. Ensure mechanical dimensions match the existing footprint to avoid rework.