ATS245SM-1E

Crystals Overview

The ATS245SM-1E is an active surface-mount MHz crystal manufactured by CTS-Frequency Controls. It operates at a fundamental frequency of 24.576 MHz with a frequency tolerance of ±30ppm and stability of ±50ppm. The component features an equivalent series resistance (ESR) of 30 Ohms and utilizes the HC-49/US package style, measuring 11.1mm x 4.83mm x 4.3mm. It is RoHS compliant and designed for precision timing applications requiring low jitter and phase noise performance within the ATS-SM series.

Crystals Feature Summary

• Surface mount design compatible with automated assembly processes
• Fundamental mode operation ensuring precise frequency control
• RoHS compliant construction meeting environmental standards

Crystals Applications

• Precision clock generation in digital systems
• Microcontroller and microprocessor timing references
• Communication equipment frequency standards

Crystals Procurement Notes

Verify the specific ordering suffix to confirm surface mount configuration and compliance status. Ensure the selected variant matches the required frequency tolerance and package dimensions for the target PCB layout. Cross-reference the manufacturer's latest documentation to confirm current production status and availability before finalizing procurement plans.

Crystals Selection Notes

Select this component when a 24.576 MHz fundamental frequency is required with ±30ppm tolerance. Consider the 30 Ohm ESR value for oscillator circuit compatibility. The surface mount package requires appropriate footprint design. Verify load capacitance requirements against the specific oscillator IC specifications to ensure accurate frequency performance.

Crystals Part Context

This part belongs to the ATS-SM series from CTS-Frequency Controls, which focuses on surface mount crystals. The series offers various frequencies and packages, providing options for different size constraints and performance needs. The ATS245SM-1E specifically addresses the need for a standard 24.576 MHz reference in compact electronic designs.

Crystals Replacement Considerations

Direct substitutes include other 24.576 MHz surface mount crystals with matching package dimensions and electrical parameters. Verify equivalent series resistance and load capacitance requirements. Check for pinout compatibility if replacing in existing designs. Consult manufacturer cross-reference lists for approved alternative part numbers.