049SS2-20.000-F30JJDTK

Crystals Overview

The 049SS2-20.000-F30JJDTK is a quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 20.000 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 30 Ohms. The component utilizes the HC-49/US package style, providing a standard form factor for through-hole mounting applications. Frequency stability is specified at ±20 ppm, ensuring reliable timing performance within its operational parameters.

Crystals Feature Summary

• Fundamental mode quartz crystal operation
• Standard HC-49/US leaded package configuration
• Designed for general-purpose clock signal generation

Crystals Applications

• Embedded system clock sources
• Microcontroller timing circuits
• Industrial automation control units

Crystals Procurement Notes

Verify the exact suffix codes against official manufacturer documentation to confirm specific tolerance and temperature range specifications. Ensure compatibility with existing PCB footprint requirements for the HC-49/US package. Cross-reference part numbers with authorized distributors to confirm current availability and authenticity before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 20 MHz fundamental frequency is required with moderate stability. The 18 pF load capacitance must match the oscillator circuit design. Consider the 30 Ohm ESR limit for driver strength requirements. Verify that the operating temperature range aligns with the application environment constraints.

Crystals Part Context

This part belongs to the HC-49/US series of quartz crystals produced by Suzhou Hangjing. The company specializes in quartz frequency controlling units, including crystals, oscillators, and filters. This specific model represents a standard discrete crystal unit used for precise frequency reference in electronic circuits.

Crystals Replacement Considerations

Substitute parts must maintain identical frequency, load capacitance, and package dimensions. Verify equivalent ESR and stability ratings. Confirm that alternative manufacturers offer compatible mounting styles and electrical characteristics for direct replacement.