3.579545M20P2/49SMT

Crystals Overview

The YIC 3.579545M20P2/49SMT is a surface-mount crystal operating at 3.579545 MHz with a ±30 ppm frequency tolerance and 20 pF load capacitance. It features an HC-49/US package profile of 4.20 mm maximum height and 180 Ohms equivalent series resistance. The component supports fundamental mode operation within a -40°C to +85°C temperature range, ensuring reliable timing for standard digital circuits.

Crystals Feature Summary

• Surface-mount design compatible with automated assembly processes
• Fundamental oscillation mode for stable signal generation
• RoHS compliant construction supporting lead-free manufacturing

Crystals Applications

• Microcontroller clock sources in consumer electronics
• Timing references for industrial control systems
• Clock inputs for communication interface modules

Crystals Procurement Notes

Verify the specific suffix configuration against the manufacturer datasheet to confirm exact electrical parameters. Ensure the ordering information matches the required load capacitance and tolerance specifications for the target circuit design before finalizing procurement.

Crystals Selection Notes

Select this component when a standard HC-49/US footprint is required in a surface-mount layout. Consider the 180 Ohms ESR value for oscillator circuit compatibility. Verify that the ±30 ppm tolerance meets the system's timing accuracy requirements.

Crystals Part Context

This part belongs to the general category of surface-mount crystals utilizing the HC-49/US form factor. It serves as a direct replacement for through-hole variants where board space constraints necessitate a surface-mount solution while maintaining similar electrical characteristics.

Crystals Replacement Considerations

Direct substitutes include other manufacturers' HC-49/US SMD crystals with identical 3.579545 MHz frequency, 20 pF load, and comparable ESR values. Cross-reference pinout and mechanical dimensions to ensure physical compatibility during retrofitting.