12.85651

Crystals Overview

The Geyer Electronic America, Inc. model 12.85651 is a quartz crystal component designed for surface-mount technology applications. It operates at a fundamental frequency of 52 MHz with a specified load capacitance of 8 pF. The device features a standard frequency tolerance of ±20 ppm and an equivalent series resistance (ESR) of 60 Ohms. Physically, the unit is housed in a compact 4-SMD, no-lead package configuration, suitable for automated assembly processes. This timing element provides stable oscillation required for precise clock generation within digital circuits.

Crystals Feature Summary

• Provides stable clock signal conditioning for ASIC, MCU, MPU, or FPGA architectures
• Utilizes precision quartz construction for accurate frequency control
• Designed for surface-mount integration into high-density circuit boards

Crystals Applications

• Clocking tree signal conditioning for microcontrollers
• Frequency reference for field-programmable gate arrays
• Timing synchronization in application-specific integrated circuits

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure compatibility with required load capacitance and tolerance specifications. Confirm that the 4-SMD package variant matches the intended PCB footprint design. Cross-reference the part number with authorized distributor lists to guarantee authenticity and traceability of the quartz components.

Crystals Selection Notes

Select this component when a 52 MHz fundamental frequency with 8 pF load capacitance is required for system timing. Ensure the ±20 ppm tolerance aligns with the oscillator circuit's stability requirements. Verify that the 60 Ohm ESR value is compatible with the driving circuit's gain margin. Confirm the surface-mount package dimensions fit within the available board space constraints.

Crystals Part Context

This component belongs to the KX-9B series of quartz precision frequency control devices manufactured by Geyer Electronic America, Inc. The series is engineered to support accurate clock generation and stable synchronization across various digital logic families. These devices are integral to maintaining signal integrity in modern electronic systems requiring precise time-base references.

Crystals Replacement Considerations

Consult official substitution guides for direct equivalents. Generic replacements must match the 52 MHz frequency, 8 pF load capacitance, and 4-SMD package geometry. Verify that alternative sources maintain identical electrical parameters including the 60 Ohm ESR and ±20 ppm tolerance to ensure circuit compatibility.