402F40012ILR

Crystals Overview

The CTS-Frequency Controls 402F40012ILR is a surface-mount quartz crystal resonator operating at a fundamental frequency of 40 MHz. It features a load capacitance of 12 pF and a frequency tolerance of ±10 ppm. The component exhibits an equivalent series resistance (ESR) of 60 Ohms and operates in the fundamental mode. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.00 mm x 1.60 mm and a maximum seated height of 0.55 mm. The device supports a wide operating temperature range from -40°C to +85°C and complies with RoHS3 standards.

Crystals Feature Summary

• Compact 4-SMD no-lead surface mount design for automated assembly
• Fundamental mode operation ensuring stable oscillation characteristics
• Wide industrial temperature rating suitable for harsh environments

Crystals Applications

• Microcontroller clock sources
• Communication module timing references
• Digital signal processing circuits

Crystals Procurement Notes

Verify the specific suffix requirements against the latest manufacturer datasheet to ensure compatibility with current production standards. Confirm that the 12pF load capacitance aligns with the target oscillator circuit design. Check for any recent lifecycle status updates or recommended alternative part numbers from CTS-Frequency Controls prior to finalizing procurement plans.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency with tight ±10 ppm stability is required. Ensure the PCB layout accommodates the 2.00mm x 1.60mm footprint and 0.55mm height constraints. Verify that the system's oscillator circuit can drive the specified 60 Ohm ESR without excessive loading effects.

Crystals Part Context

This part belongs to the 402 Series of SMD crystals from CTS-Frequency Controls. The series offers various frequencies and packages optimized for space-constrained electronic designs. The 402F40012ILR specifically addresses applications needing precise timing at 40 MHz within standard industrial temperature ranges.

Crystals Replacement Considerations

Direct substitutes include parts with identical electrical parameters such as 402F40012IAR. Verify pin compatibility and mechanical dimensions before substitution.