12.87119

Crystals Overview

The Geyer Electronic America, Inc. part number 12.87119 is a quartz watch crystal designed for precision timekeeping applications. It operates at a fundamental frequency of 32.768 kHz, which is the industry standard for real-time clock circuits due to its binary divisibility. This component serves as a Class III Life Supporting Device within frequency control product lines. The device utilizes quartz material to maintain stable oscillation under varying environmental conditions, ensuring accurate time reference for electronic watches and similar low-power timing systems.

Crystals Feature Summary

• Provides precise 32.768 kHz oscillation for timekeeping
• Designed as a Class III Life Supporting Device
• Utilizes quartz technology for frequency stability

Crystals Applications

• Quartz wristwatches
• Real-time clock circuits
• Low-power timing modules

Crystals Procurement Notes

Verify the specific manufacturer datasheet for electrical parameters such as load capacitance and equivalent series resistance before integration. Confirm that the component meets Class III life supporting device requirements if used in critical systems. Check for any ordering suffixes that may indicate package variations or tape and reel specifications. Ensure compatibility with the target circuit's drive level constraints to prevent overdriving the crystal.

Crystals Selection Notes

Select this component when a standard 32.768 kHz frequency is required for watch or RTC applications. Consider the Class III designation if the application involves life-supporting functions requiring high reliability. Evaluate the package type, such as tape and reel availability, against assembly line capabilities. Ensure the operating temperature range aligns with the intended environment for consistent performance.

Crystals Part Context

This part belongs to Geyer Electronic America's frequency control product line, which includes crystals, oscillators, and resonators. The manufacturer specializes in timing devices for various electronic markets. As a dedicated producer of quartz components, Geyer provides solutions for precision timing needs across consumer and industrial sectors.

Crystals Replacement Considerations

Consult official substitution matrices for compatible alternatives. Verify that any substitute maintains the 32.768 kHz frequency and Class III classification. Ensure pinout and mechanical dimensions match the existing design to avoid board layout changes.