403I35D14M31818

Crystals Overview

The CTS-Frequency Controls 403I35D14M31818 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 with dimensions of 3.20 mm in length, 2.50 mm in width, and a maximum height of 0.75 mm. 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 mode quartz crystal construction for precise timing
• Surface-mount design compatible with automated assembly processes
• Wide industrial temperature rating for environmental resilience

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix 'D' against the manufacturer datasheet to confirm the exact frequency tolerance and load capacitance specifications. Ensure the selected variant matches the required ESR and package dimensions for the target PCB layout. Confirm RoHS compliance status if restricted material regulations apply to the end product.

Crystals Selection Notes

Select this component when a standard 14.31818 MHz reference is required for SMD designs. Compare the 60 Ohm ESR against the oscillator circuit requirements to ensure stable startup. Evaluate the 3.2x2.5 mm footprint against available board space constraints relative to other series options.

Crystals Part Context

This part belongs to the CTS 403 Series of fundamental quartz crystals. The series offers various frequencies and package sizes optimized for cost-effective mass production. The 403I35D14M31818 specifically addresses the common 14.31818 MHz requirement found in many digital systems.

Crystals Replacement Considerations

Public confirmed substitute part numbers include 403I35E14M31818.