12.9428

Overview

The Geyer Electronic America, Inc. model 12.9428 is a surface mount quartz crystal designed for frequency control applications. It operates at a nominal frequency of 12.9428 MHz and typically utilizes a standard load capacitance configuration suitable for microcontroller or communication circuit interfaces. The component is rated for an operating temperature range of -20°C to +70°C, ensuring reliable performance in commercial electronic environments. As a passive resonant element, it provides the necessary timing reference for digital systems requiring precise clock generation without active power consumption during oscillation.

Feature Summary

• Surface mount package design for automated assembly
• Quartz material construction for stable frequency generation
• Commercial grade temperature rating for general electronics

Applications

• Microcontroller clock circuits
• Communication interface timing references
• General purpose digital logic synchronization

Procurement Notes

Verify the specific package dimensions and load capacitance requirements against your schematic before ordering. Confirm that the operating temperature range meets your environmental specifications. Check for any alternative pinout configurations if replacing existing designs. Ensure compatibility with your reflow soldering profile. Validate supply chain authenticity through authorized channels.

Selection Notes

Choose this component when a fixed frequency of approximately 13 MHz is required for synchronous digital systems. Consider the surface mount form factor for space-constrained PCB layouts. Evaluate the commercial temperature range against your operational environment. Compare load capacitance values with your oscillator circuit design to ensure proper startup and stability. Assess mechanical mounting constraints on the target board.

Part Context

Geyer Electronic America, Inc. manufactures a broad portfolio of frequency control products including crystals, oscillators, and ceramic resonators. The 12.9428 belongs to their line of surface mount quartz crystals, which are passive components used to stabilize oscillator frequencies in various electronic devices. These parts are known for consistent performance in consumer and industrial electronics.

Replacement Considerations

Consult official manufacturer substitution lists for direct equivalents. Verify that any replacement part matches the exact frequency, load capacitance, and physical footprint. Ensure the substitute component meets the same temperature and electrical specifications. Cross-reference datasheets for pin compatibility and mounting requirements.