403C35D40M00000

Crystals Overview

The CTS-Frequency Controls part number 403C35D40M00000 is a fundamental mode MHz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 40.0000 MHz with a load capacitance of 18 pF. The component features a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm. It utilizes a 4-SMD, no-lead package with dimensions of 3.20 mm x 2.50 mm and a maximum height of 0.75 mm. The equivalent series resistance (ESR) is specified at 60 Ohms. The device supports an operating temperature range from -20°C to +70°C and complies with RoHS3 standards.

Crystals Feature Summary

• Fundamental mode operation ensures stable oscillation characteristics for precise timing requirements.
• Surface-mount design facilitates automated assembly and compact circuit board integration.
• Integrated enable/disable functionality allows for power management control in active systems.

Crystals Applications

• Microcontroller unit clock sources
• Communication module timing references
• Consumer electronics internal clocks

Crystals Procurement Notes

Verify the specific package dimensions and electrical parameters against the official datasheet before integration. Confirm that the load capacitance matches the oscillator circuit requirements. Ensure the operating temperature range aligns with the environmental conditions of the final application. Check for any recent product change notices that may affect specifications or availability.

Crystals Selection Notes

Select this component when a 40 MHz fundamental mode crystal is required in a small surface-mount footprint. Consider the 60 Ohm ESR and 18 pF load capacitance for circuit compatibility. Evaluate the ±30 ppm tolerance against system timing accuracy needs. Compare the -20°C to +70°C temperature range with operational environments.

Crystals Part Context

This component belongs to the 403 series of surface-mount crystals from CTS-Frequency Controls. It serves as a frequency reference in digital circuits requiring precise timing. The 4-SMD package offers a balance between size and performance for portable devices.

Crystals Replacement Considerations

Direct substitutes include 403I35D40M00000 and 403C35E40M00000. Verify pin compatibility and electrical specifications before substitution.