AT-4.007MAHQ-T

Crystals Overview

The AT-4.007MAHQ-T is a MHz crystal manufactured by TXC Corporation, designed for surface-mount applications. It operates at a nominal frequency of 4.0070 MHz with a load capacitance of 10 pF. The component features an equivalent series resistance (ESR) of 60 ohms and operates in the fundamental mode. It is housed in an HC-49/S package measuring 11.4 mm x 4.80 mm. The device is qualified to AEC-Q200 standards and supports an operating temperature range of -40°C to +85°C.

Crystals Feature Summary

• AEC-Q200 automotive qualification
• Surface-mount HC-49/S packaging
• Fundamental oscillation mode

Crystals Applications

• Automotive electronic systems
• Microcontroller clock sources
• Communication interface timing

Crystals Procurement Notes

Verify the specific suffix and tolerance against the official datasheet to ensure compatibility with circuit requirements. Confirm that the AEC-Q200 certification status aligns with target application standards. Check current lifecycle status as discontinuance notifications may affect long-term availability.

Crystals Selection Notes

Select this component when an HC-49/S form factor is required for space-constrained designs. Ensure the 10 pF load capacitance matches the oscillator circuit design. Verify that the 4.007 MHz frequency meets system timing specifications.

Crystals Part Context

This part belongs to the AT series of crystals from TXC Corporation. The series focuses on standard-sized surface-mount components suitable for general-purpose timing applications. The AT designation indicates specific manufacturing processes optimized for reliability.

Crystals Replacement Considerations

Direct substitutes include other HC-49/S crystals with matching 4.007 MHz frequency and 10 pF load capacitance. Verify ESR and AEC-Q200 compliance before substitution.