9C-27.000MAAJ-T

Crystals Overview

The 9C-27.000MAAJ-T is a surface-mount quartz crystal manufactured by TXC Corporation, operating at a fundamental frequency of 27 MHz. It features a frequency tolerance and stability of ±30 ppm within an operating temperature range of -20°C to +70°C. The component utilizes an HC-49/US package with dimensions of 11.40 mm in length, 4.80 mm in width, and a maximum height of 4.10 mm. Electrical specifications include a load capacitance of 18 pF and an equivalent series resistance (ESR) of 30 Ohms. The unit supports base harmonic operation mode.

Crystals Feature Summary

• Surface-mount design compatible with automated SMD/SMT assembly processes
• High frequency pullability and low equivalent series resistance characteristics
• RoHS compliant construction utilizing lead-free materials

Crystals Applications

• Personal computer clock circuits
• Set-top box signal processing
• LCD monitor timing references
• Cable modem synchronization

Crystals Procurement Notes

Verify the specific manufacturing revision and RoHS compliance status directly with TXC Corporation or authorized distributors before procurement. Confirm that the HC-49/US footprint matches the target PCB layout requirements. Ensure the ±30 ppm stability specification meets the system timing constraints for the intended application environment.

Crystals Selection Notes

Select this component when a standard 27 MHz reference is required for consumer electronics such as set-top boxes or LCD monitors. The HC-49/US form factor provides a robust mechanical solution for surface-mount applications. Consider the ±30 ppm stability limit against the host oscillator circuit requirements to ensure adequate frequency accuracy across the specified industrial temperature range.

Crystals Part Context

This part belongs to the TXC 9C Series, which specializes in surface-mount type crystal units designed for mass production. The series offers a wide range of standard frequencies optimized for digital communication and computing devices. The 9C-27.000MAAJ-T specifically addresses the demand for reliable 27 MHz timing sources in compact electronic assemblies.

Crystals Replacement Considerations

No public confirmed substitute part numbers are documented in the provided source material.