12.87148

Crystals Overview

The Geyer Electronic America, Inc. model 12.87148 is a quartz crystal component designed for precision timing applications. It operates at a fundamental frequency of 32.768 kHz, utilizing a tuning fork resonator structure. The device features a load capacitance specification of 7 pF and is packaged in a surface-mount SMD configuration without leads. This passive frequency control element provides stable oscillation characteristics suitable for integration into compact electronic circuits requiring accurate clock signals.

Crystals Feature Summary

• Tuning fork quartz resonator design
• Surface-mount package without leads
• Fundamental frequency operation at 32.768 kHz

Crystals Applications

• Real-time clock circuits
• Microcontroller system timing
• Low-power embedded devices

Crystals Procurement Notes

Verify the specific load capacitance requirement of 7 pF against the target circuit design to ensure frequency accuracy. Confirm that the application environment supports the operating temperature range specified in the official datasheet. Ensure the PCB layout accommodates the no-lead SMD footprint dimensions precisely to maintain mechanical stability and electrical performance during assembly.

Crystals Selection Notes

Select this component when a precise 32.768 kHz reference is required for timekeeping or low-frequency synchronization. The 7 pF load capacitance dictates the necessary external capacitor values for oscillator circuits. Consider the physical size constraints of the SMD package relative to available board space. Validate compatibility with the host oscillator circuit's drive level specifications to prevent over-driving the crystal.

Crystals Part Context

This part belongs to the Geyer Electronic family of quartz crystals and resonators. The manufacturer specializes in frequency control products, including oscillators and ceramic resonators. The 12.87148 designation identifies a specific tuning fork crystal variant within their broader portfolio of passive frequency components used in consumer and industrial electronics.

Crystals Replacement Considerations

Consult official substitution lists for direct equivalents. Verify that any alternative part matches the 32.768 kHz frequency, 7 pF load capacitance, and compatible SMD footprint. Cross-reference electrical parameters and mounting requirements to ensure functional interchangeability without redesigning the oscillator circuit.