DF18CC1-18.000MHZ-T

Crystals Overview

The DF18CC1-18.000MHZ-T is a surface-mount crystal from the D and F Series, manufactured by MMD (supported by Abracon). It operates at a fundamental frequency of 18 MHz with an equivalent series resistance of 40 Ohms. The component features a load capacitance of 18 pF and offers a frequency tolerance of ±15ppm. Frequency stability is rated at ±30ppm over an operating temperature range of -40°C to +85°C. It utilizes an HC-49/US SMD package measuring 11.7 mm in length, 4.8 mm in width, and 4.5 mm in height. The maximum drive level is 1 mW.

Crystals Feature Summary

• Surface-mounted design compatible with automated pick-and-place assembly processes
• Fundamental mode operation for precise frequency control
• RoHS compliant construction supporting environmental standards

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing circuits

Crystals Procurement Notes

Verify the specific suffix and frequency designation on purchase orders to ensure alignment with circuit requirements. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor declarations prior to integration. Ensure storage conditions adhere to specified limits to maintain component integrity and prevent degradation of solderability or electrical performance during handling.

Crystals Selection Notes

Select this component when a surface-mount solution is required for 18 MHz applications. Verify that the target circuit supports the 18 pF load capacitance to achieve accurate frequency output. Ensure the PCB layout accommodates the HC-49/US SMD footprint dimensions. Confirm that the operating environment remains within the specified -40°C to +85°C range to guarantee stability specifications are met.

Crystals Part Context

This part belongs to the D and F Series of HC-49/US surface-mount crystals offered by MMD. The series provides a wide frequency range and is supported by Abracon's global supply chain. These components are designed for fundamental mode operation and are suitable for applications requiring compact timing solutions with standard industrial temperature ratings.

Crystals Replacement Considerations

Cross-reference with other manufacturers offering HC-49/US SMD crystals at 18 MHz. Verify compatibility regarding load capacitance, ESR, and physical footprint dimensions before substitution.