12.73

Overview

The Geyer Electronic America, Inc. model 12.73 is a surface-mount crystal oscillator (XO) designed for precision timing applications. It operates at a fundamental frequency of 8 MHz with a specified frequency tolerance of ±30 ppm. The device utilizes HCMOS output logic levels and requires a supply voltage of 3.3 V. It features a load capacitance of 15 pF and a duty cycle of 55%. The component is housed in a compact 4-pin SMD package and is supplied in tape-and-reel format for automated assembly processes.

Feature Summary

• Generates stable 8 MHz clock signals using HCMOS logic interface
• Operates on a single 3.3 V power supply rail
• Provides precise frequency stability within ±30 ppm tolerance
• Designed for high-volume surface-mount manufacturing via tape-and-reel packaging

Applications

• Digital signal processing systems requiring precise clock synchronization
• Communication equipment utilizing standard CMOS logic interfaces
• Embedded control units needing reliable 8 MHz timing references
• Test and measurement instruments requiring stable frequency sources

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output drive strengths. Confirm that the 4-pin SMD footprint matches the target PCB layout dimensions. Check datasheet specifications for operating temperature range requirements against environmental conditions. Ensure supply voltage constraints align with system power rails before integration.

Selection Notes

Select this component when an 8 MHz clock source with HCMOS output is required. Consider the ±30 ppm tolerance for applications demanding moderate frequency accuracy. Evaluate the 3.3 V supply requirement against available power distribution networks. Assess the 15 pF load capacitance compatibility with circuit design parameters.

Part Context

This part belongs to Geyer Electronic America's line of surface-mount crystal oscillators. These components are engineered for frequency control in electronic circuits. The manufacturer specializes in quartz-based timing solutions including crystals and resonators. This specific model represents a standardized solution for general-purpose clock generation tasks.

Replacement Considerations

Consult official cross-reference data for compatible alternatives. Verify pinout compatibility and electrical parameter alignment. Ensure replacement parts meet identical frequency and voltage specifications.