9C-18.432MAAJ-T

Crystals Overview

The 9C-18.432MAAJ-T is a quartz crystal manufactured by TXC Corporation, designed for surface-mount applications. It operates at a fundamental frequency of 18.432 MHz with a load capacitance of 18 pF and a frequency tolerance of ±30 ppm across the industrial temperature range of -20°C to +70°C. The component utilizes an HC-49/US package style, measuring 11.40 mm in length, 4.80 mm in width, and 4.10 mm in height. It features a low equivalent series resistance (ESR) of 30 Ohms and supports base harmonic operation mode.

Crystals Feature Summary

• Surface-mount construction utilizing HC-49/US package geometry for reliable PCB integration
• Fundamental resonance mode operation ensuring stable oscillation characteristics
• Industrial-grade thermal stability maintaining performance within specified temperature limits

Crystals Applications

• Digital communication systems requiring precise clock synchronization
• Microcontroller-based embedded designs needing stable timing references
• Serial data transmission interfaces such as UART or RS-232 circuits

Crystals Procurement Notes

Verify current availability status carefully as this specific part number may be subject to discontinuation notices. Confirm RoHS compliance details through official manufacturer documentation prior to procurement. Ensure that any substitute components meet identical electrical specifications and mechanical dimensions to maintain circuit integrity during replacement phases.

Crystals Selection Notes

Select this component when a standard HC-49/US form factor is required in a surface-mount configuration. Consider the 18.432 MHz frequency for baud rate generation compatibility. Evaluate the 30 ppm tolerance against system jitter requirements. Verify that the 18 pF load capacitance matches the oscillator circuit design parameters for optimal frequency accuracy.

Crystals Part Context

This crystal belongs to the 9C series from TXC Corporation, which focuses on miniature quartz resonators. The series provides solutions for compact electronic devices where space constraints exist alongside the need for reliable timing signals. The HC-49/US footprint allows for compatibility with legacy through-hole design footprints adapted for SMD processes.

Crystals Replacement Considerations

LP19BF33CDT and LP19BF33CET from CTS-Frequency Controls are documented as similar substitutes.