049ST2-3.2768F20ATLAK

Crystals Overview

The 049ST2-3.2768F20ATLAK is a quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 3.2768 MHz with a load capacitance of 20 pF and a frequency tolerance of ±20 ppm. The component utilizes an HC-49/US package style, featuring two radial leads for through-hole mounting. Its equivalent series resistance is specified at 30 Ohms, ensuring stable oscillation characteristics suitable for standard timing applications requiring precise clock signals.

Crystals Feature Summary

• Provides stable frequency generation using high-purity quartz material
• Designed for reliable operation in standard through-hole circuit layouts
• Supports consistent timing performance within specified tolerance limits

Crystals Applications

• Microcontroller clock source circuits
• Real-time clock modules
• Communication interface timing references

Crystals Procurement Notes

Verify the complete part number including suffixes to ensure correct load capacitance and tolerance specifications. Confirm package dimensions match PCB layout requirements. Check manufacturer datasheets for operating temperature ranges and storage conditions. Ensure compatibility with existing oscillator circuit designs before integration into final products.

Crystals Selection Notes

Select this component when a 3.2768 MHz reference signal is required with moderate precision. Consider the HC-49/US form factor for standard board space constraints. Evaluate the 20 pF load capacitance against the oscillator circuit design. Assess the ±20 ppm tolerance against system timing accuracy requirements compared to tighter tolerance alternatives.

Crystals Part Context

This crystal belongs to the 049ST2 series from Suzhou Hangjing, focusing on quartz frequency control units. The company specializes in research and production of such components since 2014. This specific model represents a standard fundamental mode resonator commonly used in general electronics for timekeeping and synchronization tasks.

Crystals Replacement Considerations

Cross-reference with other manufacturers offering HC-49/US packaged crystals at 3.2768 MHz. Verify identical electrical parameters including load capacitance and ESR. Ensure mechanical footprint compatibility for direct replacement without PCB modification.