406C11C19M44000

Crystals Overview

The CTS-Frequency Controls 406C11C19M44000 is a surface-mount quartz crystal resonator operating at a nominal frequency of 19.44 MHz. It belongs to the 406 series and features a 4-SMD, no-lead package with dimensions of 5.00 mm in length, 3.20 mm in width, and a maximum height of 0.85 mm. The component exhibits a frequency tolerance of ±10 ppm and a frequency stability of ±10 ppm. It is designed for fundamental mode operation with a load capacitance of 10 pF and an equivalent series resistance (ESR) of 60 Ohms. The device supports a standard operating temperature range from -20°C to +70°C.

Crystals Feature Summary

• Fundamental mode quartz crystal design ensuring precise frequency control
• Compact 4-SMD surface-mount package suitable for automated assembly
• High frequency stability and tight tolerance for reliable timing applications

Crystals Applications

• Microcontroller clock sources
• Communication interface circuits
• Digital signal processing systems

Crystals Procurement Notes

Verify the specific package dimensions and electrical parameters against the official CTS datasheet before integration. Confirm that the load capacitance requirements of the host circuit match the component specifications to ensure accurate oscillation. Check for RoHS compliance status if required by project regulations.

Crystals Selection Notes

Select this component when a 19.44 MHz reference is required in a compact surface-mount form factor. Ensure the application environment stays within the specified -20°C to +70°C operating range. Consider the ESR and load capacitance values when designing the oscillator circuit to guarantee stable startup and operation.

Crystals Part Context

This part is part of the CTS 406 series of general-purpose quartz crystals. It serves as a passive frequency-determining element in electronic circuits. The series offers various frequencies and packages to meet diverse design constraints for timing and synchronization needs.

Crystals Replacement Considerations

Direct substitutes must match the 19.44 MHz frequency, 4-SMD 5.0x3.2mm package, and similar electrical characteristics. Verify compatibility with existing PCB footprints and oscillator circuit designs before replacement.