9C-12.500MAAJ-T

Crystals Overview

The TXC Corporation 9C-12.500MAAJ-T is a parallel fundamental quartz crystal operating at a nominal frequency of 12.5 MHz. It features an 18 pF load capacitance and a maximum equivalent series resistance (ESR) of 40 Ohms. The component exhibits a frequency tolerance of ±30 ppm and a stability of ±10 ppm over the specified temperature range. It supports surface mount installation in an HC-49S package, measuring 11.4 mm in length and 4.8 mm in width. The device operates within a temperature range of -20°C to +70°C and has a specified aging rate of 3 ppm per year.

Crystals Feature Summary

• Parallel resonance fundamental mode operation for stable clock generation
• Surface mount design utilizing the compact HC-49S package format
• Low equivalent series resistance of 40 Ohms maximum for efficient circuit driving

Crystals Applications

• Microcontroller clock source circuits
• Digital communication interface timing
• General purpose oscillator applications

Crystals Procurement Notes

This component is officially discontinued by the manufacturer. Verify availability through authorized distributors for remaining stock or consider approved substitutes. Ensure compliance with RoHS3 standards and check specific packaging options such as cut tape or reel availability from secondary sources before finalizing procurement plans.

Crystals Selection Notes

Select this part when a 12.5 MHz surface mount crystal with 18 pF load capacitance is required. Confirm that the application environment stays within the -20°C to +70°C operational range. Verify that the target circuit can drive the 40 Ohm ESR limit and requires ±30 ppm initial tolerance. Check for compatible footprint dimensions matching the HC-49S outline.

Crystals Part Context

The 9C-12.500MAAJ-T belongs to the TXC 9C series of high-accuracy quartz crystals. This series is designed for surface mount applications requiring reliable frequency stability. The part utilizes standard HC-49S packaging to facilitate automated assembly processes while maintaining electrical performance suitable for consumer and industrial electronics.

Crystals Replacement Considerations

The manufacturer lists ABL as a similar substitute option. Verify electrical compatibility including frequency, load capacitance, and ESR before replacement.