405I35D18M43200

Crystals Overview

The CTS-Frequency Controls 405I35D18M43200 is a surface-mount fundamental mode quartz crystal resonator operating at 18.432 MHz. It features a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm. The component has a load capacitance of 18 pF and an equivalent series resistance (ESR) of 60 Ohms. Designed for industrial applications, it operates within a temperature range of -40°C to +85°C. The device utilizes a 4-SMD, no-lead package with dimensions of 5.00mm x 3.20mm and a maximum height of 0.85mm.

Crystals Feature Summary

• Fundamental mode operation for precise frequency generation
• Industrial-grade temperature range capability
• Surface-mount design for automated assembly

Crystals Applications

• Clock signal generation in microcontroller systems
• Communication interface timing circuits
• Industrial control system oscillators

Crystals Procurement Notes

Verify the specific suffix 'D' indicates the correct temperature range and packaging configuration against the official datasheet. Confirm that the 18pF load capacitance matches the target circuit design requirements. Ensure compatibility with reflow soldering profiles specified by the manufacturer for the 4-SMD package type.

Crystals Selection Notes

Select this component when a stable 18.432 MHz reference is required for industrial environments. The 60 Ohm ESR and 18pF load capacitance must align with the oscillator circuit's specifications. Consider the ±30 ppm tolerance for applications requiring moderate frequency accuracy without active compensation.

Crystals Part Context

This part belongs to the CTS 405 series of surface-mount crystals. The series offers various frequencies and packages optimized for space-constrained PCB designs. The 405I variant specifically denotes industrial temperature performance, distinguishing it from commercial grade alternatives within the same footprint family.

Crystals Replacement Considerations

Direct substitutes include other 18.432 MHz crystals with identical 18pF load capacitance and 4-SMD(5x3.2) footprint. Verify ESR limits and temperature range compliance before substitution. Cross-reference with CTS part numbers such as 405C35D18M43200 if commercial temperature range suffices.