406C35S18M43200

Crystals Overview

The CTS-Frequency Controls 406C35S18M43200 is a surface-mount quartz crystal resonator operating at a fundamental frequency of 18.432 MHz. It features a frequency tolerance of ±30 ppm and stability of ±50 ppm within an operating temperature range of -20°C to +70°C. The component utilizes a series load configuration with a maximum equivalent series resistance (ESR) of 60 Ohms and a drive level of 100 µW. Housed in a compact 4-SMD, No Lead package measuring 6.0 mm x 3.5 mm x 1.2 mm, it supports SMD/SMT mounting for automated assembly processes.

Crystals Feature Summary

• Provides precise timing signals via fundamental mode quartz resonance
• Ensures stable frequency performance across specified industrial temperature ranges
• Supports automated surface-mount assembly through standardized footprint dimensions

Crystals Applications

• Microcontroller clock source generation
• Digital communication interface synchronization
• Precision timer circuits in embedded systems

Crystals Procurement Notes

Verify the specific suffix 'S' against the official CTS datasheet to confirm series load configuration and electrical parameters. Ensure the ordering part number matches the required frequency tolerance and stability ratings for the target application environment. Cross-reference the package dimensions with PCB layout constraints before finalizing procurement.

Crystals Selection Notes

Select this component when a 18.432 MHz reference signal is required with standard commercial-grade temperature stability. The series load design simplifies circuit matching by eliminating external load capacitor requirements. Verify that the 60 Ohm ESR limit aligns with the oscillator circuit's driving capability to prevent overdriving or failure to start.

Crystals Part Context

This component belongs to the CTS 406 Series of surface-mount crystals, designed for general-purpose timing applications. The series offers various frequencies and packages, providing designers with standardized options for integrating quartz references into compact electronic devices without compromising reliability or performance consistency.

Crystals Replacement Considerations

Direct substitutes include other 18.432 MHz SMD crystals with identical 6x3.5mm footprints and ±30ppm tolerance. Verify equivalent ESR and drive level specifications to ensure circuit compatibility during replacement.