DF18CC1-12.288MHZ-T

Crystals Overview

The MMD DF18CC1-12.288MHZ-T is a surface-mount crystal operating at 12.288 MHz with ±15 ppm frequency tolerance and ±30 ppm stability. It features an 18 pF load capacitance, 50 Ohm ESR, and HC-49/US package dimensions of 11.70mm x 5.00mm x 4.50mm. Designed for fundamental mode operation, it supports a temperature range of -40°C to +85°C.

Crystals Feature Summary

• Surface-mount construction in standard HC-49/US footprint
• Fundamental resonance mode operation
• RoHS compliant manufacturing

Crystals Applications

• Digital clock signal generation
• Microcontroller oscillator circuits
• Communication interface timing

Crystals Procurement Notes

Verify the specific datasheet revision for the DF18CC1 series to confirm current mechanical tolerances and soldering profiles. Ensure the application circuit matches the specified 18pF load capacitance requirement. Confirm RoHS compliance status aligns with project regulatory standards before finalizing component selection.

Crystals Selection Notes

Select this component when a precise 12.288 MHz reference is required in a surface-mount design. The HC-49/US form factor allows compatibility with existing footprints originally designed for through-hole crystals. Consider the 50 Ohm ESR value when designing the oscillator feedback network to ensure stable startup conditions.

Crystals Part Context

This part belongs to the MMD D Series of quartz crystals. MMD components are supported by Abracon, providing global supply chain flexibility. The DF18CC1 model represents a standardized surface-mount solution within their broader portfolio of frequency control devices.

Crystals Replacement Considerations

Direct substitutes include other manufacturers' HC-49/US SMD crystals with identical 12.288 MHz frequency, 18pF load capacitance, and similar ESR specifications. Verify pinout and dimensional compatibility before substitution.