12.85655

Crystals Overview

The Geyer Electronic America, Inc. model 12.85655 is a quartz crystal resonator designed for surface-mount applications. It operates at a fundamental frequency of 38.4 MHz with a tolerance of ±10 ppm and stability of ±120 ppm. The component features a load capacitance of 9 pF and an equivalent series resistance of 50 Ohms. It utilizes a 4-pin SMD package without lead, suitable for automated assembly processes in electronic circuits requiring precise timing.

Crystals Feature Summary

• Surface-mount design for automated PCB assembly
• Quartz crystal construction for stable frequency generation
• Fundamental mode operation at specified frequency

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing systems

Crystals Procurement Notes

Verify the specific datasheet version for the 12.85655 part number to confirm exact electrical parameters and mechanical dimensions. Ensure compatibility with reflow soldering profiles specified by the manufacturer. Check for any recent updates to RoHS compliance or material declarations before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 38.4 MHz fundamental frequency with 9 pF load capacitance is required. Consider the 50 Ohm ESR limit for oscillator circuit design. Evaluate the 4-SMD package size against available board space constraints and thermal management requirements for the target application environment.

Crystals Part Context

This component belongs to Geyer Electronic's line of frequency control products, specifically quartz crystals. The company manufactures various oscillators and resonators for industrial and consumer electronics markets. The 12.85655 represents a standard surface-mount variant within their catalog of timing devices.

Crystals Replacement Considerations

Consult official cross-reference lists from Geyer Electronic for verified substitutes. Ensure replacement parts match the 38.4 MHz frequency, 9 pF load capacitance, and 4-SMD package dimensions. Verify that alternative components meet the same ±10 ppm tolerance and 50 Ohm ESR specifications.