HC49U/N-R 2.457600

Overview

The MtronPTI HC49U/N-R 2.457600 is a parallel fundamental quartz crystal resonator with a nominal frequency of 2.4576 MHz. It utilizes an AT-cut quartz element housed in a surface-mount HC-49/US package featuring four pins. The component supports a load capacitance of 18 pF and maintains a frequency stability of ±50 ppm. It operates within a temperature range of -10°C to +70°C, ensuring reliable performance for standard electronic timing applications.

Feature Summary

• Surface-mount construction utilizing the HC-49/US package format
• AT-cut quartz resonator design for stable oscillation
• Parallel fundamental mode operation

Applications

• Microcontroller clock sources
• Digital communication interfaces
• Timing circuits in consumer electronics

Procurement Notes

Verify that the specific part number matches the required frequency tolerance and load capacitance for the target circuit design. Confirm compliance with RoHS standards if environmental regulations apply to the manufacturing process. Ensure the surface-mount footprint aligns with the printed circuit board layout specifications before finalizing procurement orders.

Selection Notes

Select this component when a 2.4576 MHz reference signal is required in a compact surface-mount form factor. Consider the ±50 ppm frequency stability and the -10°C to +70°C operating range against application requirements. Verify compatibility with the system's load capacitance requirements, specifically the 18 pF specification, to ensure accurate oscillator performance.

Part Context

This component belongs to the HC-49U/N-R series of surface-mount crystals manufactured by MtronPTI. The series provides fundamental quartz resonators designed for integration into modern electronic assemblies where space constraints necessitate surface-mount technology over through-hole alternatives.

Replacement Considerations

Substitute parts must match the 2.4576 MHz frequency, 18 pF load capacitance, and HC-49/US SMD package dimensions. Verify equivalent frequency stability and operating temperature ranges to maintain circuit functionality.