407F39D018M4320

Crystals Overview

The CTS-Frequency Controls part number 407F39D018M4320 is a surface-mount quartz crystal resonator operating at a fundamental frequency of 18.4320 MHz. It features a load capacitance of 18 pF and a frequency tolerance of ±30 ppm, with a stability rating of ±50 ppm. The component utilizes a 4-SMD, no-lead package measuring 7.00 mm in length, 5.00 mm in width, and 1.30 mm in maximum height. It exhibits an equivalent series resistance (ESR) of 40 Ohms and supports base harmonic operation within a temperature range of -20°C to +70°C.

Crystals Feature Summary

• Provides precise timing signals via fundamental mode quartz resonance
• Designed for compact surface-mount integration on printed circuit boards
• Ensures stable oscillation characteristics across specified industrial temperature ranges

Crystals Applications

• Microcontroller clock generation circuits
• Communication interface timing references
• Digital signal processing synchronization

Crystals Procurement Notes

Verify the specific suffix D against official manufacturer documentation to confirm exact frequency tolerance and stability ratings. Ensure the selected variant matches the required 18 pF load capacitance and 40 Ohm ESR specifications for the target application circuit design.

Crystals Selection Notes

Select this component when a 18.4320 MHz reference is required in a 7.0x5.0mm SMD footprint. Confirm that the ±30 ppm tolerance aligns with system clock accuracy requirements. Validate compatibility with the 18 pF load capacitance used in the oscillator circuit design.

Crystals Part Context

This component belongs to the 407 series of surface-mount crystals from CTS-Frequency Controls. The series offers various frequencies in a standardized 4-SMD no-lead package, providing a balance between size constraints and electrical performance for general-purpose timing applications.

Crystals Replacement Considerations

Direct substitutes include 407F35D018M4320 and 407F39E018M4320 from CTS-Frequency Controls. Verify identical electrical parameters before substitution.

Crystals FAQ

What is the physical package dimension for this crystal?

The component measures 7.00 mm in length, 5.00 mm in width, and has a maximum height of 1.30 mm.

Does this part support high-temperature operation?

No, the specified operating temperature range is limited to -20°C to +70°C.