049ST2-16000F18DTLJK

Crystals Overview

The 049ST2-16000F18DTLJK is a quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 16 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 50 Ohms. The component utilizes the HC-49/US package style, featuring two SMD flat leads for surface mount integration. It provides a frequency tolerance of ±20 ppm, ensuring stable oscillation for timing applications.

Crystals Feature Summary

• Utilizes HC-49/US package configuration with SMD flat lead termination
• Provides stable oscillation characteristics suitable for precision timing circuits
• Designed for surface mount integration in compact electronic assemblies

Crystals Applications

• Microcontroller clock source generation
• Communication interface timing circuits
• General purpose oscillator circuits requiring 16 MHz reference

Crystals Procurement Notes

Verify the exact datasheet specifications from the manufacturer before procurement. Confirm that the load capacitance and ESR values match the target circuit design requirements. Ensure the package dimensions align with the PCB footprint to avoid assembly issues. Cross-reference the part number suffixes to confirm material and tolerance grades.

Crystals Selection Notes

Select this component when a 16 MHz reference frequency is required with standard stability levels. Consider the 18 pF load capacitance requirement for the oscillator circuit design. Evaluate the 50 Ohm ESR against the driver strength of the host device. Ensure the operating temperature range meets the environmental conditions of the final application.

Crystals Part Context

This part belongs to the 049ST series of quartz crystals produced by Suzhou Hangjing. The series focuses on cost-effective frequency control solutions for consumer and industrial electronics. The company specializes in quartz frequency controlling units, offering various package styles and frequency options for diverse market needs.

Crystals Replacement Considerations

Direct substitutes must match the 16 MHz frequency, 18 pF load capacitance, and HC-49/US form factor. Verify ESR compatibility to ensure reliable start-up. Check pinout and dimensional tolerances for mechanical fit. Alternative parts should offer similar frequency stability and aging characteristics.