CSM1Z-A5B2C5-50-19.6608D18

Crystals Overview

The CSM1Z-A5B2C5-50-19.6608D18 is a fundamental quartz crystal resonator manufactured by Cardinal Components Inc. It operates at a nominal frequency of 19.6608 MHz with a load capacitance of 18 pF and an equivalent series resistance (ESR) of 50 Ohms. The component features a frequency tolerance of ±30 ppm and stability of ±50 ppm. Designed for surface mount installation, it utilizes the HC-49/US package format with dimensions of 11.60 mm in length, 4.70 mm in width, and a maximum height of 4.60 mm. It supports a temperature range of -10°C to +60°C.

Crystals Feature Summary

• Surface mount construction utilizing the HC-49/US package profile
• Fundamental series resonance operation mode
• Compliant with RoHS3 environmental standards

Crystals Applications

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

Crystals Procurement Notes

Verify the specific suffix configuration against the manufacturer's current part numbering guide to ensure alignment with required operating temperature ranges and stability tolerances. Confirm that the HC-49/US surface mount footprint matches the target PCB layout design constraints prior to finalizing procurement orders.

Crystals Selection Notes

Select this component when a standard 19.6608 MHz reference is required for surface mount assemblies. Ensure the application circuit provides appropriate drive levels within the specified limits. Consider thermal environment requirements as the rated range extends from -10°C to +60°C.

Crystals Part Context

This part belongs to the CSM1 series of low-profile surface mount crystals from Cardinal Components Inc. The series offers cost-competitive solutions for general electronic applications requiring reliable frequency control in compact form factors suitable for automated assembly processes.

Crystals Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include the CSM1Z-A5B2C5-50-19.6608D18 variant from Cardinal Components and the HCM4919660800ABJT from Citizen Finedevice Co Ltd.