403C35E40M00000

Crystals Overview

The CTS-Frequency Controls 403C35E40M00000 is a surface-mount MHz crystal designed for general frequency control applications. It operates at a nominal frequency of 40 MHz with a fundamental working mode. The component features a 20pF load capacitance and offers a frequency tolerance of ±30ppm, ensuring stable signal generation within its operational range. It is housed in a compact 4-SMD, No Lead package with dimensions of 3.20mm x 2.50mm and a maximum height of 0.75mm. The device supports an operating temperature range of -20°C to +70°C and complies with RoHS3 standards.

Crystals Feature Summary

• Provides precise frequency stability with ±30ppm tolerance for reliable clock signals
• Utilizes a compact 4-SMD surface-mount footprint for automated assembly
• Operates in fundamental resonance mode for efficient harmonic suppression

Crystals Applications

• General-purpose digital circuit timing references
• Microcontroller clock source integration
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific suffix 'E' against the manufacturer's datasheet to confirm the exact frequency tolerance and packaging specifications. Ensure the design accommodates the 4-SMD no-lead form factor and thermal requirements for the specified temperature range. Cross-reference the load capacitance with the target oscillator circuit design to maintain frequency accuracy.

Crystals Selection Notes

Select this component when a standard 40 MHz reference is required in a small surface-mount package. Consider the ±30ppm tolerance relative to system timing budgets. Evaluate the 20pF load capacitance compatibility with the host circuit's input capacitance. Confirm that the -20°C to +70°C operating range meets the environmental conditions of the final application.

Crystals Part Context

This part belongs to the 403 series of crystals from CTS-Frequency Controls, which are characterized by their small 3.2mm x 2.5mm footprint. The series is designed for cost-effective mass production in consumer and industrial electronics. The 403C35E40M00000 specifically targets applications requiring a 40 MHz fundamental frequency in a compact SMD configuration.

Crystals Replacement Considerations

Direct substitutes include 403I35D40M00000 and 403C35D40M00000. Verify pinout compatibility and electrical parameter alignment before substitution.