ECS-250-6-37QZ-RES-TR

Crystals Overview

The ECS-250-6-37QZ-RES-TR is a surface-mount crystal oscillator manufactured by ECS Inc. It operates at a fundamental frequency of 25 MHz with a load capacitance of 6 pF and an equivalent series resistance (ESR) of 100 Ohms. The component features a frequency tolerance of ±15 ppm and a stability of ±50 ppm. It is housed in a 4-SMD, no-lead package with dimensions of 2.0 mm x 1.6 mm. The device supports an operating temperature range from -40°C to +125°C and complies with AEC-Q200 standards for automotive applications.

Crystals Feature Summary

• AEC-Q200 qualified for automotive reliability
• Fundamental mode operation at 25 MHz
• Extended temperature range support up to 125°C
• Ruggedized surface-mount construction

Crystals Applications

• Automotive electronic timing circuits
• Precision clock generation systems
• Microcontroller oscillator interfaces
• Industrial control board synchronization

Crystals Procurement Notes

Verify the complete part number including suffixes such as RES-TR against official ECS Inc. documentation to ensure correct tolerance and packaging specifications. Confirm that the requested quantity matches the tape-and-reel delivery format specified in the datasheet. Cross-reference the AEC-Q200 certification status if automotive compliance is required for the specific project application.

Crystals Selection Notes

Select this component when a 25 MHz fundamental frequency with ±15 ppm tolerance is required for high-reliability environments. Ensure the circuit design accommodates a 6 pF load capacitance and 100 Ohm ESR. Verify that the 2.0 mm x 1.6 mm footprint fits the PCB layout constraints and that the operating temperature range meets the environmental demands of the target system.

Crystals Part Context

This crystal belongs to the ECS 250 series of surface-mount components designed for precision timing. It utilizes a 4-SMD no-lead package configuration suitable for automated assembly processes. The model designation indicates specific electrical parameters including load capacitance and tolerance levels defined by the manufacturer's coding system.

Crystals Replacement Considerations

ECS-250-6-37Q-JES-TR offers similar electrical characteristics but differs in frequency tolerance specifications. Verify compatibility regarding tolerance requirements and package dimensions before substitution. Consult official ECS documentation for detailed parameter comparisons between these variants.