402F4001XILT

Crystals Overview

The CTS-Frequency Controls 402F4001XILT is a surface-mount quartz crystal resonator operating at a fundamental frequency of 40 MHz. It features a load capacitance of 12 pF and an equivalent series resistance (ESR) of 60 Ohms. The component offers a frequency tolerance of ±10 ppm at 25°C and a stability of ±15 ppm across the operating temperature range of -40°C to +85°C. Housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 0.55mm, it supports base harmonic operation.

Crystals Feature Summary

• Compact 4-SMD surface-mount footprint for automated assembly
• Fundamental mode resonance for precise timing applications
• RoHS3 compliant construction for environmental safety

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix 'XILT' against the manufacturer's current datasheet to confirm lead times and availability status, as distribution channels may vary. Ensure the ordering part number matches the required tolerance and packaging format. Cross-reference the DigiKey part number 402F4001XILT-ND for accurate sourcing details and confirm compliance with project-specific RoHS requirements before finalizing procurement.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency with ±10 ppm initial tolerance is required. The 12 pF load capacitance must match the oscillator circuit design. Consider the 60 Ohm ESR for drive level sensitivity. The -40°C to +85°C temperature range suits general industrial and commercial electronics. Verify that the 4-SMD package size fits the PCB layout constraints compared to larger through-hole alternatives.

Crystals Part Context

This part belongs to the CTS 402 Series of miniature crystals. It shares the same physical package dimensions (2.00mm x 1.60mm) and load capacitance (12 pF) as other variants in the series, such as the 402F2001XILT and 402F3201XILT, differing primarily in frequency and specific ESR characteristics. The series is designed for space-constrained surface-mount applications requiring reliable timing signals.

Crystals Replacement Considerations

Direct parameter-equivalent substitutes include the 402F4001XILR from CTS-Frequency Controls. Other manufacturers offer functionally similar 40 MHz SMD crystals with matching 12 pF load capacitance and ±10 ppm tolerance, provided the ESR and package dimensions are verified for compatibility.