403C35D19M66080

Crystals Overview

The CTS-Frequency Controls 403C35D19M66080 is a surface-mount quartz crystal resonator operating at a fundamental frequency of 19.6608 MHz. It features a frequency tolerance of ±30 ppm and a load capacitance of 18 pF. The component exhibits an equivalent series resistance (ESR) of 80 Ohms and operates in the fundamental mode. 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 a commercial operating temperature range of -20°C to +70°C.

Crystals Feature Summary

• Provides precise timing stability for digital clock signals
• Designed for automated surface-mount assembly processes
• Supports fundamental mode operation for low phase noise applications

Crystals Applications

• Wireless infrastructure equipment
• Wireline core networking systems
• Digital signal processing circuits requiring stable clock references

Crystals Procurement Notes

Verify the specific suffix codes against official CTS documentation to ensure exact electrical parameters match design requirements. Confirm that the 4-SMD no-lead package footprint aligns with PCB layout constraints. Check RoHS compliance status if environmental regulations apply to the final product assembly. Ensure storage conditions maintain moisture sensitivity level integrity prior to soldering.

Crystals Selection Notes

Select this component when a 19.6608 MHz reference is required with ±30 ppm initial accuracy. Consider the 80 Ohm ESR value for oscillator circuit loading calculations. Evaluate the 18 pF load capacitance requirement against the host oscillator's internal capacitive settings. Assess the -20°C to +70°C temperature range against the operational environment limits.

Crystals Part Context

This part belongs to the CTS 403 series of surface-mount crystals. The series offers various frequencies and packages optimized for high-volume manufacturing. The 403C35D19M66080 specifically targets applications needing a standard communication baud rate or sampling frequency derived from 19.6608 MHz.

Crystals Replacement Considerations

Direct substitutes within the same series may include other 403 model variants with identical pinout and mechanical dimensions but different frequency or tolerance specifications. Verify that any replacement maintains the 18 pF load capacitance and 80 Ohm ESR characteristics to ensure oscillator startup reliability.