405I35S27M00000

Crystals Overview

The CTS-Frequency Controls 405I35S27M00000 is a surface-mount MHz crystal operating at a fundamental frequency of 27 MHz. It features a load capacitance of 18 pF and a frequency tolerance of ±30 ppm, with a stability of ±50 ppm. The component exhibits an equivalent series resistance (ESR) of 50 Ohms. Designed for industrial applications, it supports an extended operating temperature range from -40°C to +85°C. The device utilizes a 4-SMD, no-lead package with dimensions of 5.00 mm x 3.20 mm and a maximum height of 0.85 mm.

Crystals Feature Summary

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

Crystals Applications

• Industrial control systems requiring stable clock signals
• Communication equipment utilizing 27 MHz carrier frequencies
• Microcontroller oscillator circuits in harsh environments

Crystals Procurement Notes

Verify the specific suffix 'S' against official datasheets to confirm industrial temperature ratings and ESR specifications. Ensure compatibility with standard reflow soldering profiles for 4-SMD packages. Cross-reference RoHS compliance status with current manufacturer declarations before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 27 MHz fundamental frequency is required alongside extended thermal resilience. The 18 pF load capacitance must match the oscillator circuit design. Consider the 50 Ohm ESR value for impedance matching requirements within the target application environment.

Crystals Part Context

This part belongs to the 405 Series of crystals manufactured by CTS-Frequency Controls. The series offers various frequency options in standardized SMD packages. The 'I' designation typically indicates industrial temperature ranges, while 'S' may denote specific performance characteristics or packaging variations within the product line.

Crystals Replacement Considerations

ECS-270-20-30B-TR is documented as a similar alternative.