445A3XK20M00000

Crystals Overview

The CTS-Frequency Controls 445A3XK20M00000 is a fundamental mode quartz crystal resonator designed for surface mount applications. It operates at a nominal frequency of 20 MHz with a frequency tolerance of ±30 ppm and stability of ±15 ppm. The component features an equivalent series resistance (ESR) of 40 Ohms and requires a load capacitance of 8 pF. Packaged in a compact 2-SMD, No Lead form factor measuring 5.00mm x 3.20mm with a maximum seated height of 1.35mm, it supports operation within a temperature range of -10°C to +60°C.

Crystals Feature Summary

• Utilizes glass seal construction for environmental protection
• Supports surface mount assembly via SMD package
• Operates in fundamental resonance mode

Crystals Applications

• General purpose clock generation circuits
• Microcontroller oscillator interfaces
• Digital signal processing timing references

Crystals Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with target circuit load capacitance requirements. Confirm that the operating temperature range meets the environmental constraints of the final application. Check RoHS compliance status as per current regulatory standards before integration into production workflows.

Crystals Selection Notes

Select this component when a 20 MHz fundamental frequency is required with moderate stability specifications. Ensure the host circuit provides the specified 8 pF load capacitance to maintain accuracy. Consider the 40 Ohm ESR value for oscillator drive level calculations to prevent over-driving the crystal element during selection.

Crystals Part Context

This part belongs to the 445 Series of glass seal crystals from CTS-Frequency Controls. These components are characterized by hermetic sealing technology intended to provide reliable performance in standard commercial electronic environments. The series offers various frequency options within a standardized surface mount footprint.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.