QT49-24.000MAAJ-B

Overview

The QT49-24.000MAAJ-B is a through-hole quartz crystal resonator operating at a fundamental frequency of 24 MHz. It utilizes an HC-49/US package configuration with two pins for surface mounting applications. The component exhibits a frequency tolerance of ±30 ppm and a stability of ±30 ppm at 25°C. It features a load capacitance of 18 pF and a motional resistance of 30 Ohms. The device supports an operating temperature range from -40°C to +85°C, ensuring reliable performance in standard electronic environments.

Feature Summary

• Fundamental mode operation for precise timing control
• Through-hole mounting capability via HC-49/US package
• Stable frequency output within specified tolerance limits

Applications

• Microcontroller clock generation circuits
• Digital communication interface synchronization
• General-purpose timing references in consumer electronics

Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to ensure exact electrical characteristics match design requirements. Confirm package dimensions and pin compatibility with PCB footprints prior to ordering. Cross-reference datasheet revisions to validate updated specifications. Ensure storage conditions align with component sensitivity standards.

Selection Notes

Select this component when fundamental mode operation is required for stable timing applications. Consider the HC-49/US package size for mechanical fit constraints. Evaluate the ±30 ppm tolerance against system clock accuracy needs. Verify load capacitance compatibility with oscillator circuit design parameters before integration.

Part Context

This part belongs to the QT49 series of quartz crystals manufactured by TXC Corporation under the QST brand. The series offers various frequencies and tolerance options within the same physical package form factor. This specific model represents a common 24 MHz variant used widely in digital logic timing applications.

Replacement Considerations

Compatible substitutes include other HC-49/US 24 MHz crystals with matching 18pF load capacitance and similar tolerance ratings. Verify equivalent motional resistance and operating temperature ranges. Ensure pinout compatibility and mechanical dimensions align with existing board layouts.