12.88693

Crystals Overview

The Geyer Electronic America, Inc. part number 12.88693 is a quartz crystal resonator operating at a fundamental frequency of 27 MHz. It features a load capacitance of 12 pF and a maximum equivalent series resistance (ESR) of 60 Ohms. The component exhibits a frequency tolerance of ±10 ppm. It is housed in a 4-SMD, No Lead surface-mount package with a maximum installed height of 0.028 inches (0.70 mm). The device is rated for an operating temperature range of -40°C to +85°C and is designed for clocking tree signal conditioning in digital circuits.

Crystals Feature Summary

• Provides precise frequency control for ASIC, MCU, MPU, or FPGA applications
• Supports clocking tree signal conditioning requirements
• Utilizes KX-9B quartz precision technology for stable oscillation

Crystals Applications

• ASIC clocking systems
• Microcontroller unit (MCU) timing circuits
• MPU clock generation
• FPGA signal conditioning

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and tolerance specifications. Confirm that the required frequency tolerance and load capacitance align with the target circuit design before finalizing procurement orders. Cross-reference the active status and lead times directly with authorized distributors to avoid supply chain discrepancies.

Crystals Selection Notes

Select this component when a 27 MHz fundamental mode crystal is required for surface-mount assembly. Ensure the application environment stays within the specified -40°C to +85°C operational range. Verify that the system impedance matches the 12 pF load capacitance and that the ESR limit of 60 Ohms is compatible with the oscillator circuit design for reliable startup.

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 support various digital logic families including ASICs, MCUs, MPUs, and FPGAs. It serves as a critical passive component for establishing stable clock signals in high-reliability electronic systems requiring precise timing synchronization.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official cross-reference guide or authorized distributor databases for verified equivalents. Ensure any replacement maintains identical electrical parameters, package dimensions, and mounting compatibility.