12MOOHC49U

Crystals Overview

The Jameco Electronics 12MOOHC49U is a parallel fundamental quartz crystal with a nominal frequency of 12 MHz. It utilizes an HC-49U SMD gull-wing package with resistance-welded enclosure. Key electrical parameters include a load capacitance of 20 pF, frequency tolerance of 50 ppm, and stability of 0.005%. The series resistance is 30 Ω, with a drive level of 0.1 µW. Operating temperature ranges from -10 °C to 60 °C. Physical dimensions are 13.2 x 10.8 x 5.3 mm.

Crystals Feature Summary

• Surface mount design with small footprint for space-critical applications
• Resistance welded enclosure ensuring low profile and reliability
• Fundamental parallel mode operation for stable frequency generation

Crystals Applications

• Clock signal generation in microcontroller circuits
• Frequency reference for communication modules
• Timing sources in consumer electronics devices

Crystals Procurement Notes

Verify the exact part number against manufacturer documentation to ensure compatibility with specific circuit requirements. Confirm that the HC-49U SMD package matches the PCB layout constraints. Check operating temperature range suitability for the intended environment. Ensure drive level specifications align with the oscillator circuit design to prevent overdriving the crystal.

Crystals Selection Notes

Select this component when a 12 MHz surface-mount crystal is required with moderate stability. Consider the 20 pF load capacitance requirement for oscillator circuit design. Evaluate the -10 °C to 60 °C operating range against environmental conditions. The HC-49U form factor offers a balance between size and performance for general-purpose timing applications.

Crystals Part Context

This quartz crystal belongs to the SMD Quartz Crystal Series by Oscilent Corporation, distributed by Jameco Electronics. It is designed for applications requiring precise frequency control in compact electronic systems. The HC-49U package is a standard surface-mount format widely used in various consumer and industrial electronics.

Crystals Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with any alternative components based on identical electrical parameters and mechanical footprint.