SXTHM218CC274-12.000M

Crystals Overview

The SXTHM218CC274-12.000M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc., operating at a fundamental frequency of 12.000 MHz. This component belongs to the SXTHM2 series and utilizes an HC-49/US package with dimensions of 13.30mm length by 5.00mm width. It features a load capacitance of 18 pF and a maximum equivalent series resistance (ESR) of 60 Ohms. The unit provides a frequency stability of ±25 ppm over an operating temperature range of -10°C to +70°C.

Crystals Feature Summary

• Surface-mount design for automated assembly
• HC-49/US form factor compatibility
• Stable frequency performance within specified thermal limits

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing circuits

Crystals Procurement Notes

Verify the specific suffix configuration against the manufacturer's official datasheet to ensure correct load capacitance and tolerance specifications. Confirm that the HC-49/US package dimensions align with the target PCB footprint requirements. Check for RoHS compliance status if environmental regulations apply to the end product. Ensure storage conditions meet standard electronic component handling guidelines to maintain performance integrity prior to soldering.

Crystals Selection Notes

Select this component when a 12 MHz reference signal is required with ±25 ppm stability in a surface-mount environment. The HC-49/US package offers a balance between size and mechanical robustness for standard PCB layouts. Consider the 18 pF load capacitance requirement to ensure proper oscillation with the host circuit. Evaluate the -10°C to +70°C operating range against the expected environmental conditions of the final application to guarantee reliable operation.

Crystals Part Context

This part is a member of the SXTHM2 series from Suntsu Electronics, Inc., designed for general-purpose timing applications. The series includes various frequencies and packages, with the CC274 suffix indicating specific electrical characteristics. It serves as a direct replacement for through-hole crystals in modern surface-mount designs, maintaining similar electrical parameters while adapting to SMD manufacturing processes.

Crystals Replacement Considerations

Direct substitutes include other 12 MHz surface-mount crystals with identical HC-49/US dimensions, 18 pF load capacitance, and ±25 ppm stability. Verify pinout compatibility and mounting orientation differences before substitution. Cross-reference with manufacturers offering equivalent series resistance values to ensure circuit oscillation reliability.