ECS-73-20-7S-TR

Crystals Overview

The ECS-73-20-7S-TR is a surface-mount MHz crystal manufactured by ECS Inc. International, operating at a fundamental frequency of 7.3728 MHz. It features a frequency tolerance of ±30ppm and a frequency stability of ±50ppm. The component is designed with a load capacitance of 20pF. It utilizes a 4-SOJ package configuration with a pitch of 9.40mm. The device supports an operating temperature range from -10°C to +70°C and is supplied in tape and reel packaging.

Crystals Feature Summary

• Fundamental mode operation for precise timing synchronization
• Surface mount design compatible with automated assembly processes
• Standardized 4-SOJ package form factor

Crystals Applications

• General purpose timing circuits
• Microcontroller clock sources
• Industrial control systems

Crystals Procurement Notes

Verify the specific package dimensions and lead finish against the official datasheet before integration. Confirm that the operating temperature range meets the environmental requirements of the target application. Ensure compatibility with the load capacitance settings of the host oscillator circuit to maintain frequency accuracy.

Crystals Selection Notes

Select this component when a standard 7.3728 MHz frequency is required for digital logic interfaces. Consider the ±30ppm tolerance for applications demanding moderate precision. Evaluate the 4-SOJ package size constraints against the available PCB real estate. Compare stability requirements against alternative series if wider temperature ranges are necessary.

Crystals Part Context

This part belongs to the CSM-4AX series of crystals from ECS Inc. International. It is positioned as a standard timing solution for general electronic applications. The series offers various frequency options within the same package footprint to simplify supply chain management for designers working on multiple product lines.

Crystals Replacement Considerations

Direct substitutes include other manufacturers' 7.3728 MHz crystals in 4-SOJ packages with matching 20pF load capacitance. Verify electrical parameters such as ESR and drive level before substitution. Cross-reference package dimensions to ensure mechanical fit.