7B-40.000MAAJ-T

Crystals Overview

The TXC Corporation 7B-40.000MAAJ-T is a surface-mount MHz crystal operating at 40.000MHz with ±30ppm frequency tolerance and stability. It features an 18pF load capacitance and utilizes a 4-SMD, no-lead package measuring 5.00mm x 3.20mm x 1.05mm maximum height. Designed for fundamental mode operation, it supports a working temperature range of -20°C to +70°C. The component complies with RoHS3 standards and carries an MSL rating of 1.

Crystals Feature Summary

• Compact 5x3.2mm SMD footprint optimized for space-constrained PCB layouts
• High reliability construction suitable for wireless communication applications
• Optimized EMI characteristics to reduce interference in sensitive circuits

Crystals Applications

• Bluetooth devices
• Wireless communication sets
• Mobile phones
• USB interface cards

Crystals Procurement Notes

Verify current lifecycle status as the part may be obsolete. Confirm availability through authorized distributors or check for valid replacement part numbers if production has ceased. Ensure compatibility with existing design specifications before procurement.

Crystals Selection Notes

Select this component for applications requiring a 40MHz reference signal in compact form factors. Verify that the ±30ppm stability meets system timing requirements within the specified -20°C to +70°C operating range. Ensure the 18pF load capacitance matches the oscillator circuit design.

Crystals Part Context

This component belongs to the TXC 7B series of quartz crystals. The series is characterized by small volume and high precision, targeting consumer electronics and portable devices. It represents a standard solution for clock generation in modern mobile and wireless hardware architectures.

Crystals Replacement Considerations

Public confirmed substitute: 7M-40.000MAAJ-T.