9C-28.63636MAAJ-T

Crystals Overview

The TXC Corporation 9C-28.63636MAAJ-T is a surface-mount quartz crystal resonator operating at a nominal frequency of 28.63636 MHz. It features 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 configuration with four SMD terminals and no leads, measuring approximately 11.40 mm in length and 4.80 mm in width. Its equivalent series resistance (ESR) is specified at 60 Ohms, ensuring stable oscillation characteristics for precision timing applications.

Crystals Feature Summary

• Provides precise frequency generation at 28.63636 MHz with ±30 ppm stability
• Designed for surface-mount assembly using a compact 4-SMD no-lead form factor
• Operates reliably within the standard industrial temperature range of -20°C to +70°C

Crystals Applications

• General-purpose electronic timing circuits
• Microcontroller clock sources
• Communication interface synchronization

Crystals Procurement Notes

Verify current lifecycle status as this component may be classified as obsolete or discontinued by the manufacturer. Confirm availability through authorized distributors and check for valid replacement part numbers if supply chain constraints exist. Ensure compliance with RoHS3 specifications during procurement.

Crystals Selection Notes

Select this component when a 28.63636 MHz reference is required for surface-mount designs. The 18 pF load capacitance must match the circuit design requirements. Consider the ±30 ppm tolerance and 60 Ohm ESR against system stability needs. Verify that the HC-49/US footprint fits the PCB layout constraints.

Crystals Part Context

This part belongs to the 9C series of quartz crystals manufactured by TXC Corporation. The series offers various frequencies and packages for general electronics. This specific model provides a high-frequency option suitable for digital logic and communication systems requiring accurate clock signals.

Crystals Replacement Considerations

Public records indicate this part number is obsolete. Check for direct cross-references from other manufacturers offering identical 28.63636 MHz, 18 pF, HC-49/US SMD crystals with comparable ±30 ppm tolerance.