SA254491F35HAR

Crystals Overview

The SA254491F35HAR is a surface-mount fundamental mode quartz crystal manufactured by CTS-Frequency Controls. It operates at a nominal frequency of 49.152 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm. The component features a load capacitance of 10 pF and an equivalent series resistance (ESR) of 60 Ohms. It utilizes a 4-SMD, no-lead package measuring 2.50 mm x 2.00 mm with a maximum height of 0.65 mm. Designed for automotive applications, it holds AEC-Q200 qualification and supports an operating temperature range of -40°C to +125°C.

Crystals Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Fundamental resonance mode operation
• Compact 4-SMD surface mount footprint

Crystals Applications

• Automotive electronic systems
• High-frequency clock generation circuits
• Communication module timing references

Crystals Procurement Notes

Verify the specific suffix configuration against the official CTS datasheet to ensure compatibility with target circuit parameters. Confirm that the 10 pF load capacitance matches the oscillator design requirements. Check for RoHS3 compliance status if environmental regulations apply to the assembly process. Ensure the AEC-Q200 certification meets the specific automotive grade requirements of the end product.

Crystals Selection Notes

Select this component when a precise 49.152 MHz reference is required in space-constrained automotive designs. The 4-SMD package facilitates automated surface-mount assembly processes. Consider the 60 Ohm ESR value to ensure proper oscillation startup conditions within the host circuit. The wide temperature range supports operation in harsh automotive environments without additional thermal management.

Crystals Part Context

This part belongs to the SA254 series of surface-mount crystals from CTS-Frequency Controls. The series is specifically engineered for automotive electronics, adhering to strict AEC-Q200 reliability standards. These components provide stable frequency references for microcontrollers and communication interfaces in vehicles, offering a compact alternative to through-hole packages while maintaining high performance under thermal stress.

Crystals Replacement Considerations

SA204491F35HAR is listed as a similar substitute by the manufacturer.