402F3841XIDT

Crystals Overview

The CTS-Frequency Controls 402F3841XIDT is a surface-mount quartz crystal resonator operating at a fundamental frequency of 38.4 MHz. It features a frequency stability of ±10 ppm and a load capacitance of 18 pF. The equivalent series resistance (ESR) is specified at 60 Ohms. The component utilizes a 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum seated height of 0.55mm. It is designed for operation within a temperature range of -20°C to +70°C and complies with RoHS standards.

Crystals Feature Summary

• Fundamental mode operation ensures precise frequency generation for digital circuits.
• Low equivalent series resistance supports efficient signal transmission.
• Compact surface-mount footprint facilitates automated assembly processes.

Crystals Applications

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

Crystals Procurement Notes

Verify the complete part number against manufacturer datasheets to confirm specific tolerance and packaging variants. Ensure compatibility with existing PCB layout constraints regarding the 4-SMD package dimensions. Confirm that the selected variant meets the required environmental temperature specifications for the intended application environment prior to procurement.

Crystals Selection Notes

Select this component when a stable 38.4 MHz reference is required for surface-mount designs. Consider the 18 pF load capacitance requirement for oscillator circuit design to ensure accurate frequency tuning. Evaluate the ±10 ppm stability against system timing requirements. Verify that the 60 Ohm ESR aligns with the driving circuit capabilities to prevent overdriving or startup issues.

Crystals Part Context

This crystal belongs to the 402 series from CTS-Frequency Controls, which offers various fundamental mode resonators in compact SMD packages. The series provides options for different frequencies and load capacitances to support diverse electronic applications requiring precise timing references.

Crystals Replacement Considerations

Direct substitutes must match the 38.4 MHz frequency, 18 pF load capacitance, 60 Ohm ESR, and 4-SMD (2x1.6mm) package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers' 38.4 MHz crystals in identical footprints if supply chain constraints require alternative sourcing.