7M-40.000MAAJ-T

Crystals Overview

The TXC Corporation 7M-40.000MAAJ-T is a surface-mount quartz crystal resonator operating at a fundamental frequency of 40 MHz. It features a load capacitance of 18 pF and an equivalent series resistance (ESR) of 60 Ohms. The component is housed in a compact 4-SMD, No Lead package with dimensions of 3.2 mm x 2.5 mm. Designed for reliability, it supports an industrial temperature range from -20°C to +85°C and offers a frequency tolerance of ±30 ppm.

Crystals Feature Summary

• Provides stable timing signals via fundamental mode quartz resonance
• Compact surface-mount design facilitates automated PCB assembly
• Operates within standard industrial temperature ranges

Crystals Applications

• Base station timing circuits
• Cell tower communication infrastructure
• General-purpose digital clock generation

Crystals Procurement Notes

Verify the specific load capacitance and ESR requirements against the target circuit design before procurement. Confirm that the selected package size aligns with the available footprint on the printed circuit board. Ensure that the supplier provides official documentation to validate the component's authenticity and compliance with relevant environmental standards.

Crystals Selection Notes

Select this component when a precise 40 MHz reference is required for telecommunications or digital systems. Consider the ±30 ppm tolerance as sufficient for most standard clock applications. Evaluate the 18 pF load capacitance compatibility with the oscillator circuit to ensure accurate frequency operation without external trimming adjustments.

Crystals Part Context

This part belongs to the 7M series of quartz crystals manufactured by TXC Corporation. The series is characterized by small form factors suitable for space-constrained electronic devices. These components are widely utilized in consumer electronics and industrial equipment requiring reliable clock sources.

Crystals Replacement Considerations

No direct substitute part numbers are confirmed in the provided public documentation.