12.60543

Crystals Overview

The Geyer Electronic America, Inc. 12.60543 is a surface-mount quartz crystal resonator designed for precision frequency control applications. It operates at a fundamental frequency of 27.12 MHz with a specified load capacitance of 9 pF and an equivalent series resistance (ESR) of 60 Ohms. The component exhibits a frequency stability of ±10 ppm and is housed in a compact 4-SMD, No Lead package suitable for automated assembly processes. It supports clocking tree signal conditioning for digital logic devices.

Crystals Feature Summary

• Precision quartz construction for stable frequency generation
• Surface-mount design optimized for high-volume manufacturing
• Integrated load capacitance specification for simplified circuit design

Crystals Applications

• Clocking tree signal conditioning for ASICs
• Frequency reference for Microcontroller Units (MCUs)
• Timing source for Microprocessor Units (MPUs)
• Clock input for Field-Programmable Gate Arrays (FPGAs)

Crystals Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement, as distributor listings may vary. Confirm that the 4-SMD no-lead package dimensions align with the target PCB footprint. Ensure the operating temperature range meets the environmental specifications of the final application to guarantee long-term reliability and performance consistency.

Crystals Selection Notes

Select this component when a precise 27.12 MHz reference is required for digital logic interfaces. The low ESR value of 60 Ohms facilitates efficient oscillation in standard driver circuits. Consider the ±10 ppm stability for applications demanding tight timing accuracy over the operational temperature range. The surface-mount form factor aids in reducing board space consumption compared to through-hole alternatives.

Crystals Part Context

This part belongs to the KX-9B series of quartz precision frequency control devices manufactured by Geyer Electronic America, Inc. The series is engineered to provide reliable timing solutions for modern electronic systems. These components are widely utilized in consumer electronics, industrial controls, and communication equipment where stable clock signals are critical for system synchronization and data integrity.

Crystals Replacement Considerations

Cross-reference with other 27.12 MHz SMD crystals from Geyer or compatible manufacturers ensuring identical load capacitance (9pF) and ESR (60 Ohms). Verify mechanical compatibility of the 4-SMD package and thermal characteristics. Check manufacturer-specific datasheets for any differences in aging rates or drive level sensitivity.