12.84813

Crystals Overview

The Geyer Electronic America, Inc. part number 12.84813 is a quartz crystal resonator designed for surface-mount applications. It operates at a fundamental frequency of 27.12 MHz with a tolerance of ±10ppm. The component features an equivalent series resistance (ESR) of 100 Ohms and requires a load capacitance of 8pF. It is housed in a compact 4-SMD, No Lead package, suitable for space-constrained electronic designs requiring precise frequency control.

Crystals Feature Summary

• Surface-mount quartz crystal construction
• High-frequency stability at 27.12 MHz
• Compact no-lead SMD footprint

Crystals Applications

• Hearing aids
• Earbuds
• Wireless communication devices

Crystals Procurement Notes

Verify the specific datasheet version from Geyer Electronic America, Inc. to confirm mechanical dimensions and soldering profiles. Ensure compatibility with the target circuit's load capacitance requirements. Check for any recent manufacturing updates or packaging changes directly with the supplier before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 27.12 MHz reference signal is required in ultra-miniature form factors. Consider the ±10ppm tolerance against system timing requirements. Evaluate the 4-SMD package constraints against PCB layout limitations. Confirm that the 8pF load capacitance matches the oscillator circuit design specifications.

Crystals Part Context

This part belongs to the KX-2 series of super ultra-miniature quartz crystals manufactured by Geyer Electronic America, Inc. The series is specifically engineered for Class III life-supporting devices and other medical or wearable electronics where size and reliability are critical. It represents a specialized solution within the broader frequency control product portfolio.

Crystals Replacement Considerations

Consult official cross-reference lists from Geyer Electronic America, Inc. for verified substitutes. Ensure replacement parts match the 27.12 MHz frequency, 8pF load capacitance, and 4-SMD package dimensions. Verify ESR and tolerance specifications to maintain circuit performance integrity.