049ST2-16.000F20DWNGK

Crystals Overview

The 049ST2-16.000F20DWNGK is a quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 16 MHz with a frequency tolerance of ±10 ppm. The component features a load capacitance of 20 pF and an equivalent series resistance (ESR) of 30 Ohms. It utilizes the HC-49/US package style, which is a standard through-hole housing for discrete crystals. This specific part number designates a unit suitable for general clock generation applications requiring stable frequency reference.

Crystals Feature Summary

• Provides precise frequency control using quartz resonance technology
• Designed for through-hole mounting via HC-49/US package
• Ensures stable oscillation with defined load capacitance parameters

Crystals Applications

• General purpose clock signal generation in electronic circuits
• Microcontroller system timing references
• Communication equipment frequency standards

Crystals Procurement Notes

Verify the complete part number including suffixes to ensure correct frequency and tolerance specifications. Confirm that the HC-49/US package dimensions match your PCB footprint requirements. Check manufacturer documentation for storage conditions and soldering thermal profiles to maintain component integrity during assembly processes.

Crystals Selection Notes

Select this component when a 16 MHz fundamental frequency is required with ±10 ppm stability. Ensure the circuit design supports a 20 pF load capacitance to achieve accurate frequency output. Verify that the 30 Ohm ESR is compatible with the oscillator circuit's drive level limitations to prevent overdriving the crystal.

Crystals Part Context

This model belongs to the HC-49/US series of axial leaded quartz crystals produced by Suzhou Hangjing. These components are widely used in consumer electronics and industrial controls where reliable timing is essential. The manufacturer specializes in quartz frequency controlling units, offering various frequencies and package styles for different application needs.

Crystals Replacement Considerations

Direct substitutes must match the 16 MHz frequency, ±10 ppm tolerance, 20 pF load capacitance, and HC-49/US package. Cross-reference with other manufacturers' HC-49S or HC-49U series parts ensuring identical electrical parameters and mechanical dimensions for pin compatibility.