DF18CC1-19.6608MHZ-T

Crystals Overview

The MMD DF18CC1-19.6608MHZ-T is a surface-mount quartz crystal resonator designed for precise frequency reference applications. It operates at a nominal frequency of 19.6608 MHz with a frequency tolerance of ±15 ppm and a load capacitance of 18 pF. The component utilizes an HC-49/US package format, measuring 11.7mm x 4.8mm, and features a series resistance of 40 Ohms. This device supports operating temperatures ranging from -40°C to +85°C and complies with RoHS standards, ensuring lead-free construction for environmentally conscious electronic designs.

Crystals Feature Summary

• Surface-mount design utilizing the standard HC-49/US footprint for reliable PCB integration
• High frequency stability with ±15 ppm tolerance suitable for precision timing circuits
• Lead-free construction compliant with RoHS directives for environmental safety

Crystals Applications

• Clock generation for microprocessors and digital logic circuits
• Frequency references in communication modules and data transceivers
• Timing sources for embedded systems requiring stable oscillator inputs

Crystals Procurement Notes

Verify the specific suffix and frequency designation against the manufacturer's current datasheet to ensure compatibility with your circuit requirements. Confirm that the HC-49/US package dimensions align with your PCB footprint constraints. Check for any recent updates regarding RoHS compliance status or material declarations before finalizing procurement documentation.

Crystals Selection Notes

Select this component when a 19.6608 MHz reference is required with tight ±15 ppm stability. Ensure the load capacitance matches the oscillator circuit design to maintain accurate frequency output. Consider the 40 Ohm series resistance impact on drive level and startup time within the target application environment.

Crystals Part Context

This part belongs to the MMD D Series of surface-mount crystals, manufactured by Abracon. The series provides standard frequency references for various industrial and consumer electronics. The DF18CC1 variant specifically addresses the need for compact, high-stability timing solutions in space-constrained printed circuit board layouts.

Crystals Replacement Considerations

Direct substitutes include other MMD crystals with identical electrical parameters and package dimensions. Cross-reference with equivalent parts from other manufacturers offering HC-49/US SMD packages at 19.6608 MHz with matching load capacitance and tolerance specifications.