ECS-76-20-4X

Crystals Overview

The ECS-76-20-4X is a through-hole quartz crystal manufactured by ECS Inc. International, designed for precise frequency control in electronic circuits. It operates at a nominal frequency of 7.6 MHz and features a load capacitance of 20 pF. The component exhibits an equivalent series resistance (ESR) of 80 Ohms, ensuring stable oscillation characteristics. Frequency tolerance is specified at ±30 ppm, with a frequency stability of ±50 ppm over the operating temperature range. This HC-49/US package crystal is suitable for applications requiring reliable timing signals.

Crystals Feature Summary

• HC-49/US through-hole package design for standard mounting
• Quartz crystal construction for stable frequency generation
• Low equivalent series resistance for efficient circuit operation

Crystals Applications

• Microcontroller clock sources
• Communication equipment timing
• Industrial control systems

Crystals Procurement Notes

Verify the specific ordering suffix to ensure compliance with required frequency tolerance and temperature stability specifications. Confirm that the HC-49/US package dimensions align with the target PCB footprint. Cross-reference the manufacturer datasheet for detailed electrical parameters and recommended soldering profiles to guarantee long-term reliability and performance consistency in the final assembly.

Crystals Selection Notes

Select this component when a 7.6 MHz reference signal is required with moderate stability needs. Ensure the application circuit supports a 20 pF load capacitance to maintain accurate frequency output. Consider the through-hole form factor if surface-mount options are not feasible. Evaluate the ±30 ppm tolerance against system requirements to confirm adequate precision for the intended timing function.

Crystals Part Context

This part belongs to the ECS HC-49USX series of crystals, which provides various frequency options in a standardized through-hole package. The series is widely used in general-purpose electronics where cost-effective and reliable timing solutions are necessary. The HC-49/US format remains a common industry standard for manual assembly and prototyping environments.

Crystals Replacement Considerations

Direct substitutes must match the 7.6 MHz frequency, 20 pF load capacitance, and HC-49/US package. Verify ESR and tolerance specifications to ensure functional equivalence. Check pin compatibility and mounting hole spacing for mechanical interchangeability without PCB redesign.