SA25439AF35HAR

Crystals Overview

The SA25439AF35HAR is a fundamental mode quartz crystal resonator manufactured by CTS-Frequency Controls. It operates at a nominal frequency of 39.0625 MHz with a load capacitance of 10 pF. The component features a frequency tolerance of ±30 ppm and stability of ±50 ppm. It supports an extended operating temperature range from -40°C to +125°C and meets AEC-Q200 automotive qualification standards. The unit utilizes a 4-SMD, no-lead package measuring 2.50 mm x 2.00 mm with a maximum height of 0.65 mm.

Crystals Feature Summary

• Automotive-grade reliability certified under AEC-Q200 standards for harsh environments
• Wide operational temperature capability spanning -40°C to +125°C
• Compact surface-mount footprint designed for space-constrained circuit layouts

Crystals Applications

• Automotive electronic systems requiring robust clock references
• Industrial control equipment operating in extreme temperatures
• Medical devices demanding high-frequency stability
• Military and aerospace communication modules

Crystals Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with target circuit requirements. Confirm that the selected variant matches the required frequency tolerance and load capacitance specifications. Cross-reference the manufacturing date code and lot traceability if strict quality assurance protocols are mandated for the end application.

Crystals Selection Notes

Select this component when a precise 39.0625 MHz reference is required within automotive or industrial sectors. Ensure the host circuit design accommodates the specified 10 pF load capacitance to maintain accuracy. Evaluate the thermal environment to confirm it remains within the -40°C to +125°C operational limits during all phases of device usage.

Crystals Part Context

This part belongs to the SA254 series of automotive crystal resonators from CTS-Frequency Controls. The series is engineered to provide stable frequency generation for microcontrollers and communication interfaces in demanding applications. It represents a specialized solution for high-reliability timing needs where standard commercial components may fail.

Crystals Replacement Considerations

SA20439AF35HAR is documented as a similar substitute part number within the manufacturer's portfolio.