12.85612

Crystals Overview

The Geyer Electronic America, Inc. model 12.85612 is a quartz crystal resonator designed for frequency control applications. It operates at a fundamental frequency of 50 MHz with a specified frequency tolerance of ±10 ppm. The component features a load capacitance of 4 pF and an equivalent series resistance (ESR) of 60 Ohms. It is housed in a compact 4-SMD, no-lead package suitable for surface-mount assembly processes.

Crystals Feature Summary

• Provides stable clock generation for electronic circuits
• Surface-mount design for automated assembly
• Quartz construction for frequency stability

Crystals Applications

• Clock signal generation in digital systems
• Frequency reference in communication modules
• Timing synchronization in microcontroller circuits

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required load capacitance and tolerance levels. Confirm that the 4-SMD package variant matches the PCB footprint requirements. Cross-reference the ESR value of 60 Ohms with circuit design specifications to ensure proper oscillator startup conditions are met.

Crystals Selection Notes

Select this component when a 50 MHz fundamental frequency is required with moderate stability needs. Ensure the application circuit supports a 4 pF load capacitance. Verify that the 60 Ohm ESR aligns with the oscillator driver strength capabilities. Consider the surface-mount form factor for space-constrained designs requiring reliable timing references.

Crystals Part Context

This part belongs to Geyer Electronic America's portfolio of frequency control products, which includes crystals, oscillators, and ceramic resonators. The company specializes in timing devices for global markets, offering components designed for accurate clock generation and stable synchronization across various industrial and commercial electronics applications.

Crystals Replacement Considerations

Consult official substitution lists for direct equivalents. Verify that any alternative maintains identical 50 MHz frequency, ±10 ppm tolerance, 4 pF load capacitance, and 60 Ohm ESR specifications. Ensure the replacement package matches the 4-SMD no-lead footprint to avoid rework.