12.85581

Crystals Overview

The Geyer Electronic America, Inc. model 12.85581 is a quartz precision frequency control device designed for clocking tree signal conditioning in digital systems. It operates at a fundamental frequency of 26 MHz with a tolerance of ±10 ppm and stability of ±30 ppm over temperature. The component features an 8 pF load capacitance and 60 Ohms series resistance. Packaged in a compact 4-SMD, No Lead form factor, it supports integration with ASICs, MCUs, MPUs, or FPGAs to ensure accurate timing signals.

Crystals Feature Summary

• Provides precise frequency control for clocking tree signal conditioning
• Designed for integration with digital logic components such as ASICs, MCUs, MPUs, or FPGAs
• Utilizes a surface-mount package for automated assembly compatibility

Crystals Applications

• Clocking tree signal conditioning for ASICs
• Timing reference for Microcontroller Units (MCUs)
• Frequency stabilization for Field-Programmable Gate Arrays (FPGAs)

Crystals Procurement Notes

Verify the specific operating temperature range and stability specifications against the official manufacturer datasheet prior to procurement. Ensure that the 4-SMD no-lead package dimensions align with the target PCB footprint design. Confirm that the 8 pF load capacitance matches the circuit requirements for the intended 26 MHz application to maintain frequency accuracy.

Crystals Selection Notes

Select this component when a 26 MHz fundamental frequency with ±10 ppm tolerance is required for digital system synchronization. Consider the 4-SMD no-lead package for space-constrained designs requiring surface-mount technology. Evaluate the 60 Ohms series resistance and 8 pF load capacitance parameters to ensure compatibility with the driving circuit's impedance matching requirements.

Crystals Part Context

This part belongs to the Geyer Electronic America, Inc. family of quartz precision frequency control devices. These components are engineered to provide stable oscillation frequencies for high-performance digital electronics. The 12.85581 specifically addresses applications needing reliable clock sources within a small form factor, supporting modern embedded systems and communication interfaces.

Crystals Replacement Considerations

Consult the manufacturer's cross-reference documentation for verified substitute part numbers. Ensure any replacement maintains identical electrical characteristics, including 26 MHz frequency, ±10 ppm tolerance, 8 pF load capacitance, and 4-SMD no-lead packaging. Verify mechanical footprint compatibility before substitution.