7B-12.000MAAJ-T

Crystals Overview

The TXC CORPORATION 7B-12.000MAAJ-T is a MHz quartz crystal designed for surface mount applications. It operates at a fundamental frequency of 12.000 MHz with a frequency tolerance and stability of ±30 ppm. The component features an equivalent series resistance (ESR) of 80 Ohms and a load capacitance of 18 pF. It utilizes a 4-SMD, no-lead package with dimensions of 5.00 mm in length, 3.20 mm in width, and a maximum height of 1.2 mm. The device supports a working temperature range of -40°C to +85°C and complies with RoHS3 standards.

Crystals Feature Summary

• Surface mount construction utilizing a 4-SMD no-lead package design.
• Fundamental mode operation providing stable frequency generation.
• Compliance with RoHS3 environmental specifications.

Crystals Applications

• Bluetooth portable devices
• Wireless communication equipment
• Digital still cameras
• Personal digital assistants
• Mobile phones

Crystals Procurement Notes

Verify the current manufacturing status before procurement as this specific part number may be discontinued or subject to product change notifications. Confirm that the 18 pF load capacitance matches the target circuit design requirements. Ensure the 80 Ohm ESR value is compatible with the oscillator circuit's drive level limitations to prevent failure. Check for available replacement models within the same manufacturer series if supply constraints exist.

Crystals Selection Notes

Select this component when a compact 5.00mm x 3.20mm footprint is required for space-constrained printed circuit boards. The ±30 ppm stability is suitable for general consumer electronics and standard communication interfaces. Consider the -40°C to +85°C operating range for industrial or automotive adjacent environments. Verify that the fundamental frequency mode aligns with the host microcontroller or RF module specifications.

Crystals Part Context

This component belongs to the TXC 7B series of glass-sealed surface mount crystals. The series is characterized by small physical dimensions and high reliability for wireless applications. Similar parts in the family include variants with different frequencies such as 19.2 MHz or 36.0 MHz, maintaining consistent package and electrical characteristics.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation for this specific model. Consult manufacturer announcements for potential direct replacements within the 7B series or updated part numbers following discontinuation notices.