7B-28.63636MAAJ-T

Crystals Overview

The TXC Corporation 7B-28.63636MAAJ-T is a surface-mount quartz crystal resonator with a nominal frequency of 28.63636 MHz. It features an 18 pF load capacitance and a maximum equivalent series resistance (ESR) of 40 Ohms. The component operates within a temperature range of -40°C to +85°C, maintaining a frequency tolerance and stability of ±30 ppm. It utilizes a 4-SMD, No Lead package measuring 3.2 mm x 2.5 mm.

Crystals Feature Summary

• Provides precise timing signals at 28.63636 MHz for digital circuits
• Ensures stable frequency performance across industrial temperature ranges
• Supports automated assembly via standard surface-mount packaging

Crystals Applications

• Microcontroller clock sources
• Communication interface modules
• Industrial control systems

Crystals Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging configuration. Confirm that the 40 Ohm ESR specification aligns with the oscillator circuit design requirements. Ensure the 18 pF load capacitance matches the external capacitors used in the application schematic to maintain accurate frequency output.

Crystals Selection Notes

Select this component when a 28.63636 MHz reference is required for automotive or industrial applications. The ±30 ppm tolerance offers tighter stability than standard commercial crystals. The compact 3.2x2.5 mm footprint allows for dense PCB layouts. Consider the 40 Ohm ESR limit when designing the load network.

Crystals Part Context

This part belongs to the 7B Series of SMD crystals from TXC Corporation. It serves as a fundamental frequency reference for synchronous digital logic. The device replaces older through-hole variants in modern electronics manufacturing processes requiring smaller form factors.

Crystals Replacement Considerations

The 7A-28.63636MAAJ-T is a documented substitute within the same manufacturer lineup. Verify pin compatibility and electrical parameters before substitution.