9B-18.432MEEJ-B

Crystals Overview

The TXC CORPORATION 9B-18.432MEEJ-B is a fundamental mode quartz crystal resonator operating at 18.432 MHz. It features a frequency tolerance and stability of ±10ppm, with a load capacitance of 18pF and an equivalent series resistance (ESR) of 30 Ohms. The component utilizes an HC-49/US metal can package designed for through-hole mounting. Its physical dimensions are 11.50mm in length, 5.00mm in width, and a maximum seated height of 3.68mm. The device operates within a temperature range of -20°C to +70°C and complies with RoHS3 standards.

Crystals Feature Summary

• Fundamental oscillation mode for stable frequency generation
• High precision frequency stability of ±10ppm
• Robust HC-49/US metal can construction for durability
• Through-hole mounting capability for standard PCB integration

Crystals Applications

• Microcontroller clock sources
• Communication interface timing circuits
• Digital signal processing systems
• Embedded system oscillator modules

Crystals Procurement Notes

Verify the specific suffix 'MEEJ' against official TXC documentation to confirm active status and pin configuration. Ensure compatibility with existing PCB footprints for the HC-49/US package. Cross-reference manufacturing dates and lot codes for quality assurance. Confirm that the ±10ppm stability meets the target application's timing requirements before finalizing procurement orders.

Crystals Selection Notes

Select this component when precise 18.432 MHz timing is required for digital interfaces such as RS-232 or Ethernet. The HC-49/US package offers reliable performance for general-purpose applications. Consider the ±10ppm tolerance for systems sensitive to clock drift. Evaluate thermal constraints to ensure operation remains within the specified -20°C to +70°C range during deployment.

Crystals Part Context

This crystal belongs to the TXC 9B series, which provides fundamental mode quartz resonators in standardized metal cans. The series supports various frequencies and tolerances for general electronic timing needs. The 9B-18.432MEEJ-B specifically targets applications requiring high stability at the common 18.432 MHz frequency point used in serial communications.

Crystals Replacement Considerations

Direct substitutes include other HC-49/US crystals with identical 18.432 MHz frequency, 18pF load capacitance, and ±10ppm tolerance. Verify ESR values near 30 Ohms to maintain circuit oscillation conditions. Check manufacturer datasheets for pinout compatibility and mounting hole spacing alignment.