ECS-SR1-4.00-B-TR

Resonators Overview

The ECS-SR1-4.00-B-TR is a surface-mount ceramic resonator manufactured by ECS Inc. It operates at a nominal frequency of 4 MHz with a tolerance of ±0.5% and stability of ±0.3%. The component features an integrated load capacitance of 30 pF and an impedance of 40 Ohms. Designed for commercial applications, it functions within a temperature range of -20°C to +80°C. The device utilizes a three-pin CSMD package configuration.

Resonators Feature Summary

• Integrates built-in capacitors to simplify circuit design
• Surface mount construction for automated assembly
• Commercial grade temperature rating

Resonators Applications

• Microcontroller clock sources
• General purpose timing circuits
• Consumer electronics control boards

Resonators Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required tolerance and packaging specifications. Confirm that the application environment remains within the stated commercial temperature limits. Cross-reference the pinout diagram with the target PCB footprint to prevent installation errors during assembly processes.

Resonators Selection Notes

Select this component when a cost-effective timing solution is required for non-critical commercial systems. The integrated capacitor eliminates external components, reducing board space. Ensure the operating frequency matches the system requirement precisely. Consider the impedance characteristics for proper oscillator circuit matching.

Resonators Part Context

This part belongs to the ECS-SR1 series of ceramic resonators from ECS Inc. The series provides reliable frequency control for microcontrollers and logic circuits. The SR1 designation indicates a specific surface-mount form factor optimized for high-volume manufacturing environments in consumer electronics.

Resonators Replacement Considerations

Direct substitutes include other 4 MHz ceramic resonators with identical 30 pF load capacitance and similar package dimensions. Verify that alternative parts meet the same ±0.5% tolerance and 40 Ohm impedance requirements to maintain circuit performance.