AT-6.6128MAHE-T

Crystals Overview

The AT-6.6128MAHE-T is a surface-mount crystal oscillator manufactured by TXC Corporation, designed for automotive applications with AEC-Q200 certification. It operates at a fundamental frequency of 6.6128 MHz and utilizes a 12 pF load capacitance. The component exhibits a frequency tolerance and stability of ±30 ppm. It functions within an operating temperature range of -40°C to +85°C. The device is housed in the HC-49/S package, measuring 11.4 mm in length, 4.8 mm in width, and 3.8 mm in height. This part is currently obsolete.

Crystals Feature Summary

• Certified for automotive reliability under AEC-Q200 standards
• Surface-mount design compatible with automated assembly processes
• Fundamental mode operation ensuring stable frequency generation

Crystals Applications

• Automotive electronic control units requiring precise timing
• On-board communication systems utilizing standard crystal frequencies
• Industrial control modules operating in extended temperature environments

Crystals Procurement Notes

This component is officially classified as obsolete by the manufacturer. Procurement must rely on remaining stock from authorized distributors or secondary market suppliers. Verify authenticity through official datasheets and traceability documentation. Ensure compatibility with existing circuit designs before acquisition, as replacement components may require layout adjustments.

Crystals Selection Notes

Select this component only if AEC-Q200 automotive qualification is mandatory for the application. The HC-49/S package requires specific footprint verification against PCB design constraints. Consider the ±30 ppm stability requirement against system clock accuracy needs. Evaluate thermal performance within the -40°C to +85°C range for intended environmental conditions.

Crystals Part Context

The AT series represents TXC Corporation's line of automotive-grade crystals. The AT-6.6128MAHE-T specifically targets high-reliability sectors where frequency stability and environmental resilience are critical. It belongs to the broader family of surface-mount resonators designed for mass production in automotive electronics.

Crystals Replacement Considerations

No direct public substitute part numbers are confirmed for this obsolete model. Designers should consult TXC Corporation for current equivalent recommendations or evaluate alternative automotive-certified crystals with matching electrical parameters and package dimensions.