402F40033CDR

Crystals Overview

The CTS-Frequency Controls part number 402F40033CDR is a fundamental mode quartz crystal resonator designed for surface mount applications. It operates at a nominal frequency of 40 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 60 Ohms. The component provides a frequency tolerance of ±30 ppm and stability of ±30 ppm across an operating temperature range of -20°C to +70°C. It utilizes a 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 0.55mm.

Crystals Feature Summary

• Fundamental resonance mode operation
• Surface mount compatible 4-SMD no lead package
• RoHS compliant construction

Crystals Applications

• General purpose clock signal generation
• Microcontroller oscillator circuits
• Communication interface timing

Crystals Procurement Notes

Verify the specific suffix 'CDR' against the manufacturer datasheet to confirm tape and reel packaging specifications. Ensure the selected variant matches the required load capacitance and ESR values for the target circuit design. Confirm RoHS compliance status prior to integration into final assemblies.

Crystals Selection Notes

Select this component when a 40 MHz fundamental crystal with 18 pF load capacitance is required. Verify that the 60 Ohm ESR aligns with the oscillator circuit requirements. Ensure the -20°C to +70°C temperature range meets the operational environment constraints.

Crystals Part Context

This component belongs to the 402 Series of surface mount crystals from CTS-Frequency Controls. The series offers various frequencies and packages optimized for high-volume manufacturing. The 402F40033CDR specifically addresses needs for compact 2.00mm x 1.60mm footprint designs requiring stable 40 MHz timing.

Crystals Replacement Considerations

Direct substitutes include 402F40033CDT.