DF18CC1-9.8304MHZ-T

Crystals Overview

The DF18CC1-9.8304MHZ-T is a fundamental mode MHz crystal manufactured by MMD, part of the D Series. It operates at a nominal frequency of 9.8304 MHz with a frequency tolerance of ±15ppm and stability of ±30ppm. The component features a load capacitance of 18pF and an equivalent series resistance (ESR) of 70 Ohms. Designed for surface mount applications, it utilizes the HC-49/US package format. The device supports an operating temperature range from -40°C to +85°C and is RoHS compliant.

Crystals Feature Summary

• Surface mount construction utilizing the HC-49/US package form factor
• Fundamental oscillation mode operation for precise timing control
• Compliance with RoHS environmental standards for lead-free manufacturing

Crystals Applications

• Digital clock signal generation in microcontroller systems
• Communication interface timing references
• Embedded system oscillator circuits

Crystals Procurement Notes

Verify the specific suffix codes against official MMD documentation to ensure correct frequency and tolerance specifications. Confirm that the HC-49/US surface mount footprint matches the target PCB design constraints. Check for updated datasheet revisions regarding mechanical dimensions and soldering profiles before finalizing procurement orders.

Crystals Selection Notes

Select this component when a fundamental mode crystal with 18pF load capacitance is required for 9.8304 MHz applications. Ensure the circuit design accommodates the specified 70 Ohm ESR value. Verify that the operating environment remains within the -40°C to +85°C range to maintain frequency stability targets.

Crystals Part Context

This crystal belongs to the MMD D Series, which offers a wide frequency range of 3.200MHz to 80.000MHz. The series includes both fundamental and third overtone options in HC-49/US packages. These components are designed for high reliability and are available in various packaging formats including tape and reel for automated assembly processes.

Crystals Replacement Considerations

Cross-reference with other HC-49/US SMD crystals offering 9.8304 MHz frequency and 18pF load capacitance. Verify compatibility of ESR values and frequency stability ratings with the original design requirements before substitution.