TS270F11CET

Crystals Overview

The TS270F11CET is a surface-mount crystal oscillator manufactured by CTS-Frequency Controls. It operates at a fundamental frequency of 27 MHz with a tolerance and stability of ±10 ppm. The component features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 30 Ohms. It utilizes the HC-49/US SM package, measuring 11.1 mm x 4.83 mm, and is supplied in tape and reel packaging for automated assembly.

Crystals Feature Summary

• Provides excellent long-term stability and reliability
• Utilizes a proven resistance-welded metal package construction
• Designed for surface-mount technology applications

Crystals Applications

• Communication systems requiring precise timing
• Navigation devices
• Microcontroller unit clock sources

Crystals Procurement Notes

Verify the specific suffix 'CET' against the manufacturer's official datasheet to confirm the exact load capacitance and ESR values, as variations exist within the product family. Ensure the ordering documentation matches the required surface-mount package dimensions and tape-and-reel specifications for compatibility with automated placement equipment.

Crystals Selection Notes

Select this component when a 27 MHz reference signal with ±10 ppm stability is required for space-constrained designs. The HC-49/US SM form factor allows for direct replacement through-hole variants in compact PCB layouts. Confirm that the 20 pF load capacitance aligns with the host circuit's oscillator design requirements.

Crystals Part Context

This part belongs to the ATSSMTS Tight Stability crystal series from CTS-Frequency Controls. The series is characterized by high frequency stability and reliability, utilizing a robust metal package construction. It serves as a critical timing element in electronic systems where consistent oscillation performance is mandatory.

Crystals Replacement Considerations

Cross-reference with TS270F11CDT if an 18 pF load capacitance is acceptable, though electrical parameters differ. Verify pin compatibility and mounting footprint equivalence before substituting with generic 27 MHz SMD crystals.