12.88705

Crystals Overview

The Geyer Electronic America, Inc. model 12.88705 is a quartz crystal component designed for frequency control applications. It operates at a fundamental frequency of 18.432 MHz with a tolerance of ±10ppm. The device features a load capacitance of 12pF and an equivalent series resistance (ESR) of 60 Ohms. It is housed in a compact 4-SMD surface-mount package with no lead configuration. The physical dimensions are 3.20mm in length, 2.50mm in width, and a maximum seated height of 0.80mm.

Crystals Feature Summary

• Surface-mount quartz crystal construction for reliable frequency stability
• Standardized 4-pin SMD footprint for automated assembly integration
• Class III life supporting device classification for critical timing circuits

Crystals Applications

• Microcontroller clock sources requiring precise timing references
• Communication interface circuits utilizing standard baud rates
• Digital signal processing systems needing stable oscillator inputs

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required tolerance and temperature range specifications. Confirm that the 4-SMD package variant matches the PCB land pattern design. Check for any recent updates to the Class III life supporting device documentation to ensure compliance with current safety standards before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 18.432 MHz reference is required for digital logic or communication interfaces. Ensure the system design accommodates the 12pF load capacitance to maintain frequency accuracy within the specified ±10ppm tolerance. Verify that the 60 Ohm ESR value is compatible with the driving circuit's oscillation requirements to prevent startup failures or excessive power consumption in the host application.

Crystals Part Context

This part belongs to the Geyer Electronic America, Inc. line of quartz crystals and resonators. The company specializes in frequency control products including oscillators and filters. The 12.88705 model represents a standard surface-mount solution within their catalog, offering a balance between size constraints and performance metrics for embedded electronic designs requiring stable clock signals.

Crystals Replacement Considerations

Consult official substitution lists for direct equivalents from Geyer Electronic America, Inc. Cross-reference other manufacturers only if pinout, electrical parameters, and package dimensions match exactly. Verify that any alternative component meets the same Class III life supporting device requirements and maintains identical frequency and load capacitance specifications.