ECS-SR1-4.00-A-TR

Resonators Overview

The ECS-SR1-4.00-A-TR is a surface-mount ceramic resonator manufactured by ECS Inc., designed for precise frequency control in electronic circuits. It operates at a nominal frequency of 4 MHz with a frequency tolerance of ±0.5% and a stability of ±0.3%. The component features an impedance of 40 Ohms and is housed in a compact 2-SMD non-standard package measuring 7.50mm x 3.30mm. It supports an operating temperature range of -20°C to 80°C and is supplied in tape and reel packaging for automated assembly processes.

Resonators Feature Summary

• Surface-mount ceramic construction for reliable high-frequency performance
• Compact SMD footprint suitable for space-constrained designs
• Tape and reel packaging optimized for automated manufacturing

Resonators Applications

• Microcontroller clock sources
• Communication module timing references
• Consumer electronics signal processing

Resonators Procurement Notes

Verify the specific ordering suffix against official ECS documentation to ensure correct frequency, tolerance, and packaging specifications. Confirm that the requested part matches the required operating temperature range and impedance characteristics for the target application. Cross-reference the manufacturer's latest datasheet to validate current availability and any potential design changes or obsolescence notices before finalizing procurement orders.

Resonators Selection Notes

Select this component when a cost-effective, compact timing solution is required for 4 MHz applications. Ensure the circuit design accommodates the specified 40 Ohm impedance and ±0.5% tolerance. Consider the -20°C to 80°C operating range relative to the environmental conditions of the end product. Verify that the surface-mount package dimensions fit within the available PCB real estate constraints.

Resonators Part Context

This part belongs to the ECS SR1 series of ceramic resonators, which are widely used as alternative timing devices to quartz crystals in consumer and industrial electronics. The series offers a balance of performance and cost efficiency, utilizing ceramic technology to provide stable oscillation frequencies without the need for external load capacitors typically required by crystal oscillators.

Resonators Replacement Considerations

The ECS-SR1-4.00-B-TR is a documented substitute within the same series, offering identical electrical characteristics but potentially differing in minor physical attributes or packaging variations. Verify pin compatibility and mounting requirements before substitution.