435F270XYIET

Crystals Overview

The CTS-Frequency Controls 435F270XYIET is a surface-mount crystal resonator operating at a fundamental frequency of 27 MHz. It features a frequency tolerance of ±15 ppm and a load capacitance of 20 pF. The equivalent series resistance (ESR) is specified as 40 Ohms. The component utilizes a 2-SMD, No Lead package with dimensions of 5.0 mm in length and 3.2 mm in width. It is designed for standard surface mount assembly processes.

Crystals Feature Summary

• Provides stable 27 MHz timing signals for digital circuits
• Supports surface mount technology for automated assembly
• Operates within standard commercial temperature ranges

Crystals Applications

• Clock generation for microprocessors and microcontrollers
• Timing references for communication interfaces
• Frequency synthesis in consumer electronics

Crystals Procurement Notes

Verify the specific suffix designations against the manufacturer's current datasheet to ensure compatibility with required load capacitance and ESR specifications. Confirm that the 2-SMD package footprint matches the target PCB layout. Check RoHS compliance status for environmental regulations. Ensure storage conditions maintain moisture sensitivity level integrity prior to soldering.

Crystals Selection Notes

Select this component when a precise 27 MHz reference is required with tight frequency stability. Compare ESR values against oscillator circuit requirements to ensure reliable startup. Evaluate package dimensions against available board space. Consider thermal performance if operating near upper temperature limits. Verify load capacitance matches the system's external capacitor configuration.

Crystals Part Context

This part belongs to the CTS Frequency Controls crystal family, which includes various fundamental and overtone resonators. The 435 series typically offers compact surface-mount solutions for cost-sensitive applications. It shares common packaging standards with other SMD crystals from the same manufacturer, facilitating inventory management across similar product lines.