403I35D19M66080

Crystals Overview

The CTS-Frequency Controls 403I35D19M66080 is a surface-mount fundamental mode crystal resonator operating at 19.6608 MHz. It features a frequency tolerance of ±30ppm and stability of ±50ppm with a 20pF load capacitance. The component utilizes a 4-SMD, no-lead package measuring 3.20mm x 2.50mm with a maximum height of 0.75mm. It exhibits an equivalent series resistance (ESR) of 80 Ohms and supports an industrial operating temperature range from -20°C to 70°C.

Crystals Feature Summary

• Fundamental mode operation for precise timing applications
• Surface-mount design in a compact 4-SMD footprint
• Industrial temperature rating for extended environmental reliability

Crystals Applications

• General purpose clock signal generation
• Microcontroller system timing references
• Communication interface synchronization

Crystals Procurement Notes

Verify the specific suffix 'I' indicates the required industrial temperature range (-20°C to 70°C) compared to commercial variants. Confirm that the 20pF load capacitance matches the target circuit design requirements. Ensure the 4-SMD package dimensions align with the PCB layout constraints. Check RoHS compliance status if restricted substances are a project requirement.

Crystals Selection Notes

Select this component when a 19.6608 MHz reference is needed with moderate stability requirements. The 80 Ohm ESR value must be compatible with the oscillator circuit's drive level specifications. Consider the physical size relative to available board space. Verify that the ±30ppm initial tolerance meets the system's overall frequency accuracy budget.

Crystals Part Context

This part belongs to the 403 Series of crystals from CTS-Frequency Controls. The series offers various frequencies and packages. The 403I variant specifically denotes the industrial temperature grade. This model provides a standard solution for embedded systems requiring reliable frequency control without the complexity of active oscillators.

Crystals Replacement Considerations

• 403C35E19M66080

Crystals FAQ

What is the package type for this crystal?

It uses a 4-SMD, no-lead package with dimensions of 3.20mm x 2.50mm.

Does this component support high-temperature environments?

No, it is rated for an industrial temperature range of -20°C to 70°C.