49SMSS0491BMDAFDGKE-CT

Crystals Overview

The HKC 49SMSS0491BMDAFDGKE-CT is a surface mount crystal oscillator operating at a fundamental frequency of 4.9152 MHz. It features a frequency tolerance of ±20ppm and stability of ±50ppm. The component utilizes a 12pF load capacitance and exhibits an equivalent series resistance (ESR) of 110 Ohms. It is housed in a compact 2-SMD, No Lead package designed for automated surface mount assembly processes.

Crystals Feature Summary

• Provides precise timing signals via fundamental frequency operation
• Ensures signal integrity with specified low equivalent series resistance
• Compatible with standard surface mount manufacturing workflows

Crystals Applications

• Clock generation for digital logic circuits
• Timing reference for microcontroller systems
• Synchronization in communication interface modules

Crystals Procurement Notes

Verify the specific suffix designations against the manufacturer's official datasheet to confirm exact frequency tolerance and stability grades. Ensure the selected variant matches the required load capacitance and ESR specifications for the target circuit design. Cross-reference the package dimensions with PCB footprint libraries to guarantee mechanical compatibility during assembly.

Crystals Selection Notes

Select this component when a stable 4.9152 MHz reference is required for space-constrained applications. Evaluate the ±20ppm tolerance against system clock accuracy requirements. Confirm that the 110 Ohm ESR aligns with the oscillator circuit's drive level limitations to prevent over-driving the crystal element.

Crystals Part Context

This part belongs to the HKC family of precision crystal oscillators. These components are engineered for reliable performance in consumer electronics and industrial control systems. The product line emphasizes compact form factors and consistent electrical characteristics suitable for mass production environments requiring standardized timing solutions.

Crystals Replacement Considerations

Consult official substitution lists for direct pin-compatible alternatives with matching frequency and tolerance. Verify that any substitute component maintains identical load capacitance and ESR values to ensure circuit stability without redesign.