12.85606

Crystals Overview

The Geyer Electronic America, Inc. model 12.85606 is a quartz crystal component designed for precision frequency control applications. It operates at a fundamental frequency of 38.4 MHz with a specified tolerance of ±10 ppm. The device features a load capacitance of 10 pF and an equivalent series resistance (ESR) of 50 Ohms. It is housed in a compact 4-SMD, No Lead package configuration, suitable for surface-mount assembly processes. This component serves as a critical timing element within clocking tree signal conditioning systems.

Crystals Feature Summary

• Provides precise frequency stability for digital logic interfaces
• Supports clocking tree signal conditioning for integrated circuits
• Utilizes a leadless surface-mount package design

Crystals Applications

• ASIC clocking support
• MCU timing synchronization
• MPU system clocks
• FPGA reference signals

Crystals Procurement Notes

Verify the specific datasheet version against the manufacturer's current documentation to ensure compliance with latest technical specifications. Confirm that the 4-SMD no-lead package matches the target PCB footprint requirements. Validate the ±10 ppm tolerance aligns with the system's timing budget before finalizing procurement orders.

Crystals Selection Notes

Select this component when a stable 38.4 MHz reference is required for microcontroller or FPGA architectures. Ensure the 10 pF load capacitance matches the oscillator circuit design parameters. Consider the 50 Ohm ESR value for proper drive level management within the host system's oscillator loop.

Crystals Part Context

This part belongs to the KX-5T series of quartz crystals manufactured by Geyer Electronic America, Inc. The series is engineered for high-reliability frequency control in consumer and industrial electronics. The 12.85606 designation specifically identifies the 38.4 MHz variant within this product line.

Crystals Replacement Considerations

Consult official substitution lists for compatible KX-5T series variants. Verify pin compatibility and electrical parameters such as load capacitance and frequency tolerance before integrating alternative parts.