12.89026

Crystals Overview

The Geyer Electronic America, Inc. model 12.89026 is a quartz crystal resonator designed for surface-mount applications. It operates at a fundamental frequency of 27.12 MHz with a frequency tolerance of ±50 ppm. The component features a load capacitance of 16 pF and an equivalent series resistance (ESR) of 40 Ohms. It is housed in a compact 4-SMD, No Lead package, suitable for space-constrained designs. The specified operating temperature range extends from -20°C to +70°C, ensuring reliability under standard commercial conditions.

Crystals Feature Summary

• Super ultra-miniature footprint optimized for small form factor electronics
• Quartz crystal construction providing stable frequency control
• Surface-mount technology compatible design

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging and tolerance specifications. Confirm that the 4-SMD No Lead package matches your PCB footprint requirements. Check for any recent updates to the operating temperature range or electrical parameters before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 27.12 MHz reference signal is required for miniaturized audio or wireless devices. Ensure the circuit design accommodates the 16 pF load capacitance and 40 Ohm ESR. Verify that the -20°C to +70°C temperature range meets the environmental demands of the target application.

Crystals Part Context

This part belongs to the KX-2 series of quartz crystals from Geyer Electronic America, Inc., which are characterized by their super ultra-miniature footprint. The series is specifically engineered for high-density applications where size constraints are critical, such as personal audio and wearable technology.

Crystals Replacement Considerations

Consult official substitution lists for direct equivalents. Generic replacements must match the 27.12 MHz frequency, 16 pF load capacitance, 40 Ohm ESR, and 4-SMD No Lead package dimensions.