X3S027120BA1H-X

Crystals Overview

The X3S027120BA1H-X is a 27.12 MHz fundamental mode quartz crystal manufactured by Harmony Electronics Corp. It features a frequency tolerance of ±10ppm and stability of ±20ppm with a load capacitance of 10pF. The component utilizes a 4-SMD, no lead package measuring 3.20mm x 2.50mm x 0.80mm. It operates within a temperature range of -40°C to 105°C and has an equivalent series resistance of 50 Ohms.

Crystals Feature Summary

• Fundamental oscillation mode for precise frequency generation
• Surface-mount design compatible with automated assembly processes
• Wide operating temperature range supporting industrial environments

Crystals Applications

• Clock signal generation in microcontroller systems
• Frequency reference in communication modules
• Timing circuits in consumer electronics

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure compatibility with required load capacitance and tolerance specifications. Confirm that the 4-SMD package dimensions align with the target PCB footprint. Check RoHS compliance status if environmental regulations apply to the final product assembly.

Crystals Selection Notes

Select this component when a 27.12 MHz fundamental resonance is required with tight initial tolerance. Ensure the circuit design accommodates the specified 10pF load capacitance to maintain accuracy. Consider the 50 Ohm ESR value for oscillator circuit stability and startup conditions.

Crystals Part Context

This part belongs to the HSX321S series of surface-mount crystals from Harmony Electronics Corp. It provides a standard frequency solution for timing applications requiring high stability within a compact form factor. The series supports various frequencies and packaging options for diverse electronic designs.

Crystals Replacement Considerations

Cross-reference with other 27.12 MHz crystals in the 3.2x2.5mm SMD package. Verify matching electrical parameters including load capacitance, ESR, and frequency tolerance before substitution.