ECS-122.8-S-4

Crystals Overview

The ECS-122.8-S-4 is a quartz crystal resonator manufactured by ECS Inc., designed for through-hole mounting applications. It operates at a nominal frequency of 12.288 MHz and utilizes the HC-49/US package style. The component features series fundamental operation with a load capacitance specification of Series. Key electrical parameters include a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm. The equivalent series resistance (ESR) is specified at 60 Ohms, while the drive level is rated at 500 microwatts. Aging performance is characterized at 5 ppm during the first year.

Crystals Feature Summary

• Series fundamental resonance configuration
• Through-hole compatible HC-49/US package
• High stability frequency characteristics

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing circuits

Crystals Procurement Notes

Verify part authenticity by checking manufacturer markings against official datasheet specifications. Confirm package type matches design requirements. Ensure environmental ratings align with operational conditions. Cross-reference ordering suffixes to validate specific tolerances and packaging options before purchase.

Crystals Selection Notes

Select this component when precise 12.288 MHz timing is required for digital systems. Consider the HC-49/US form factor for standard PCB layouts. Evaluate aging rates and stability needs against application constraints. Verify drive level compatibility with oscillator circuit design to ensure reliable operation.

Crystals Part Context

This crystal belongs to the general series of fundamental mode quartz resonators from ECS Inc. It serves as a primary timing reference in electronic assemblies requiring stable frequency generation. The HC-49/US package remains a widely adopted standard for through-hole implementations in consumer and industrial electronics.

Crystals Replacement Considerations

Direct substitutes must match 12.288 MHz frequency, HC-49/US package, and series fundamental operation. Verify ESR and load capacitance compatibility. Check if alternative manufacturers offer equivalent ±30 ppm tolerance and similar aging specifications for seamless integration.