251-05000

Crystals Overview

The Parallax Inc. 251-05000 is a through-hole crystal oscillator designed for electronic circuits. It operates at a frequency of 5.0000 MHz with a load capacitance of 20 pF. The component utilizes a HC-49 package type, ensuring standard mounting compatibility. This passive frequency control element provides stable clock signals for microcontrollers and digital logic applications.

Crystals Feature Summary

• Provides precise 5.0000 MHz frequency stability
• Features 20 pF load capacitance specification
• Utilizes standard through-hole HC-49 package

Crystals Applications

• Microcontroller clock generation
• Digital logic timing circuits
• Embedded system oscillators

Crystals Procurement Notes

Verify the specific manufacturer datasheet to confirm the exact operating temperature range and tolerance class before integration. Ensure the HC-49 footprint matches the PCB design requirements. Cross-reference the 20 pF load capacitance with the target circuit's oscillator configuration to guarantee signal integrity and proper startup conditions.

Crystals Selection Notes

Select this component when a reliable 5 MHz reference is required for through-hole designs. The HC-49 form factor offers mechanical robustness compared to surface-mount alternatives. Consider the 20 pF load requirement to match existing circuit designs without additional external capacitors.

Crystals Part Context

This part belongs to the family of passive frequency control components manufactured by Parallax Inc. It serves as a fundamental building block for timing references in educational robotics kits and general-purpose embedded development boards produced by the manufacturer.

Crystals Replacement Considerations

Direct substitutes must maintain the 5.0000 MHz frequency, 20 pF load capacitance, and HC-49 package dimensions. Verify equivalent electrical characteristics from other manufacturers if sourcing changes are necessary.