12.89403

Crystals Overview

The Geyer Electronic America, Inc. part number 12.89403 is a precision quartz crystal resonator designed for surface-mount applications. It operates at a fundamental frequency of 12 MHz with a specified frequency tolerance of ±30 ppm. The component features a load capacitance of 16 pF and an equivalent series resistance (ESR) of 100 Ohms. It is housed in a compact 2-SMD, No Lead package, suitable for automated assembly processes. The device is engineered to provide stable clocking signals for digital circuits.

Crystals Feature Summary

• Precision frequency control utilizing KX-9B quartz technology
• Surface-mount design compatible with automated pick-and-place equipment
• Optimized for signal conditioning in complex clocking trees

Crystals Applications

• Clocking tree signal conditioning for ASICs
• Frequency reference support for Microcontroller Units (MCUs)
• Clock generation for Microprocessor Units (MPUs)
• Timing synchronization for Field Programmable Gate Arrays (FPGAs)

Crystals Procurement Notes

Verify the specific manufacturer origin, as the part number appears associated with both Geyer Electronic America, Inc. and Geyer Electronic e.K. Ensure the datasheet matches the required electrical parameters, specifically the 12 MHz frequency and 16 pF load capacitance. Confirm RoHS compliance status and packaging details directly from the supplier's official documentation before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 12 MHz surface-mount crystal with ±30 ppm stability is required for digital logic interfaces. The 100 Ohm ESR and 16 pF load capacitance must align with the oscillator circuit design specifications of the target ASIC, MCU, MPU, or FPGA. Consider the thermal operating range and physical footprint constraints of the PCB layout during integration.

Crystals Part Context

This component belongs to the KX-9B series of quartz precision frequency control devices manufactured by Geyer Electronic. The series is characterized by its suitability for supporting clocking tree signal conditioning in modern digital electronics. These crystals are widely utilized in applications requiring reliable timing references for microprocessors and programmable logic devices.

Crystals Replacement Considerations

Cross-reference with other 12 MHz SMD crystals featuring 16 pF load capacitance and similar ESR values. Verify that any substitute part maintains compatibility with the host device's oscillator circuit requirements and physical mounting dimensions.

Crystals FAQ

What is the load capacitance specification for the 12.89403?

The load capacitance is specified as 16 pF.

Is the 12.89403 suitable for FPGA clocking applications?

Yes, it is designed to support clocking tree signal conditioning for FPGAs.