12.87114

Crystals Overview

The Geyer Electronic America, Inc. model 12.87114 is a quartz crystal resonator designed for precision frequency control applications. It operates at a fundamental frequency of 32.768 kHz with a tolerance of ±20 ppm. The component features a load capacitance of 12.5 pF and a motional resistance of 50 kOhms. It is housed in a 4-SOJ surface-mount package with a 5.50 mm pitch. The device supports operation within a temperature range of -40°C to +85°C.

Crystals Feature Summary

• Provides stable clock generation for timing circuits
• Utilizes super ultra-miniature footprint design
• Ensures dependable long-term timing performance

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct specifications. Confirm that the requested part matches the exact electrical parameters and package type required for the target application. Cross-reference the datasheet to validate compliance with operational standards before finalizing procurement orders.

Crystals Selection Notes

Select this component when a fundamental mode quartz crystal is required for low-power, high-precision timing. The 32.768 kHz frequency is standard for real-time clocks. Ensure the circuit design accommodates the specified 12.5 pF load capacitance and 50 kOhm resistance for optimal oscillation stability.

Crystals Part Context

This part belongs to the KX-2 series of quartz crystals from Geyer Electronic America. The series is characterized by its compact form factor, making it suitable for space-constrained electronic devices. It is manufactured as a frequency control product intended for accurate clock generation in consumer electronics.

Crystals Replacement Considerations

Consult official substitution lists for compatible parts. Verify that any alternative maintains identical frequency, load capacitance, and package dimensions to ensure functional equivalence without redesigning the host circuit board.

Crystals FAQ

What is the operating temperature range for this crystal?

The component is rated for operation between -40°C and +85°C.

Is this a parallel or series resonant crystal?

The documentation identifies this as a parallel fundamental quartz crystal.