12.94339

Overview

The Geyer Electronic America, Inc. part number 12.94339 is a ceramic surface-mount oscillator designed for standard frequency control applications. It operates at a fundamental frequency of 4 MHz and utilizes CMOS or TTL output logic levels to ensure compatibility with a wide range of digital circuits. The device features a 3.3V enable/disable control pin, allowing for power management and system synchronization. Packaged in a compact 4-SMD, no-lead form factor, this component provides reliable signal generation for embedded systems requiring precise timing references.

Feature Summary

• Integrated enable/disable functionality via a dedicated control pin for efficient power management
• Standard CMOS and TTL compatible output logic levels for broad digital interface support
• Compact 4-pad surface-mount package design suitable for space-constrained PCB layouts

Applications

• Embedded microcontroller clock sources
• Digital signal processing timing references
• Communication module synchronization

Procurement Notes

Verify the specific operating voltage range and load capacitance requirements against your circuit design before procurement. Confirm that the 4-SMD package dimensions align with your board space constraints. Ensure the enable pin logic level matches your system's control signals to prevent unintended oscillation states during operation.

Selection Notes

Select this component when a low-power, enable-controlled oscillator is required for 4 MHz applications. Consider the ceramic construction for stability and the SMD format for automated assembly. Evaluate the enable pin necessity for power-sensitive designs compared to always-on alternatives.

Part Context

This oscillator belongs to Geyer Electronic's line of frequency control products, which includes quartz crystals and resonators. It serves as a complete solution for timing needs, replacing discrete crystal and load capacitor combinations. The product supports various industrial and consumer electronics sectors requiring stable clock signals.

Replacement Considerations

Consult official substitution lists for direct replacements. Verify electrical parameters such as frequency tolerance, load capacitance, and output drive strength match the original specifications to ensure circuit compatibility.