049ST2-25000F20DTLJK

Crystals Overview

The 049ST2-25000F20DTLJK is a quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 25 MHz with a frequency tolerance of ±20 ppm. The component features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 30 Ohms. It utilizes the HC-49S package style, which is a standard two-dip configuration. This specific part number designates a discrete crystal unit intended for integration into oscillator circuits requiring precise timing references.

Crystals Feature Summary

• HC-49S package style for standard mounting
• Fundamental frequency operation at 25 MHz
• ±20 ppm frequency tolerance specification
• 20 pF load capacitance compatibility

Crystals Applications

• Reference frequency generation in IC-based circuits
• Oscillator circuit integration
• Quartz frequency control units

Crystals Procurement Notes

Verify the exact part number against official manufacturer documentation to ensure correct specifications. Confirm that the HC-49S package and 20pF load capacitance match your circuit design requirements. Check for any specific ordering suffixes that may indicate variations in packaging or testing standards. Ensure compliance with relevant industry standards for quartz components.

Crystals Selection Notes

Select this component when a 25 MHz fundamental frequency with ±20 ppm stability is required. The HC-49S package is suitable for through-hole applications. Consider the 30 Ohm ESR value for oscillator loop gain calculations. Verify that the 20 pF load capacitance aligns with the oscillator circuit's design parameters.

Crystals Part Context

This component belongs to the quartz frequency controlling units produced by Suzhou Hangjing Elec&Tech Co., Ltd. The company specializes in research, development, and production of such components. The 049ST2 series represents their standard crystal offerings. These units are designed for reliable performance in various electronic applications requiring stable frequency references.

Crystals Replacement Considerations

Cross-reference with other 25 MHz HC-49S crystals having ±20 ppm tolerance and 20 pF load capacitance. Ensure equivalent ESR values for proper oscillator startup. Verify package dimensions for mechanical compatibility. Consult manufacturer datasheets for direct substitute part numbers.