403I35D27M00000

Crystals Overview

The CTS-Frequency Controls 403I35D27M00000 is a surface-mount fundamental mode quartz crystal resonator operating at 27 MHz. It features a frequency tolerance of ±30 ppm and stability of ±50 ppm with an 18 pF load capacitance. The component has an equivalent series resistance (ESR) of 60 Ohms maximum. It utilizes a 4-SMD, no-lead package measuring 3.20 mm x 2.50 mm with a maximum height of 0.80 mm. Designed for industrial applications, it supports an operating temperature range from -40°C to +85°C.

Crystals Feature Summary

• Fundamental mode operation for precise frequency control
• Industrial-grade wide temperature capability
• Compact surface-mount footprint for automated assembly

Crystals Applications

• Industrial communication systems requiring stable clock signals
• Microcontroller clock sources in harsh environments
• Embedded control units within extended temperature ranges

Crystals Procurement Notes

Verify the specific suffix 'D' against design requirements, as it denotes distinct electrical characteristics compared to other variants like 'E'. Confirm that the 60 Ohm ESR aligns with the oscillator circuit design. Ensure the 4-SMD package dimensions fit the PCB layout constraints. Validate RoHS compliance status for current production runs.

Crystals Selection Notes

Select this component when a 27 MHz reference is required for industrial temperature stability. The 18 pF load capacitance must match the external circuit loading. Consider the 60 Ohm ESR limit for oscillator startup reliability. Compare against similar models like 403I35E27M00000 if different ESR or tolerance specifications are needed for the application.

Crystals Part Context

This part belongs to the CTS 403 Series of surface-mount crystals. The series offers various frequencies and packages optimized for high-volume manufacturing. The 403I35D27M00000 specifically targets applications needing robust performance in demanding thermal conditions while maintaining a small physical profile.

Crystals Replacement Considerations

The 403I35E27M00000 is a documented alternative from the same manufacturer. Verify compatibility regarding ESR differences and tolerance specifications before substitution.