ECX-.327-CDX-1293

Crystals Overview

The ECX-.327-CDX-1293 is a surface-mount tuning fork crystal resonator manufactured by ECS Inc. It operates at a nominal frequency of 32.768 kHz with a frequency tolerance of ±5 ppm. The component features a load capacitance of 12.5 pF and an equivalent series resistance (ESR) of 70 kOhms. It utilizes a ceramic package measuring 3.2 mm x 1.5 mm x 0.9 mm in a 2-SMD, no-lead configuration. The device is rated for an operating temperature range of -40°C to +85°C.

Crystals Feature Summary

• Ultra-miniature SMD tuning fork design
• High precision ±5 ppm frequency tolerance
• Ceramic package construction

Crystals Applications

• Real-time clock (RTC) circuits
• Timing applications requiring precise frequency reference

Crystals Procurement Notes

Verify the specific part number against official ECS Inc. documentation to confirm electrical parameters such as load capacitance and ESR. Ensure the required frequency tolerance and temperature range align with the target application specifications before procurement.

Crystals Selection Notes

Select this component when space constraints require an ultra-miniature form factor alongside high timing accuracy. The 12.5 pF load capacitance and 70 kOhm ESR must match the oscillator circuit requirements to ensure stable operation within the specified -40°C to +85°C range.

Crystals Part Context

This part belongs to the ECS-CDX series, characterized by its compact ceramic packaging designed for surface-mount technology. It serves as a specialized timing element distinct from standard through-hole crystals, offering reduced footprint for modern electronic assemblies.

Crystals Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.