MXJFFHI7M3728

Crystals Overview

The Meritek MXJFFHI7M3728 is a fundamental mode quartz crystal resonator operating at a nominal frequency of 7.3728 MHz. It features a frequency stability of ±20ppm and an equivalent series resistance (ESR) of 100 Ohms maximum. The component supports a load capacitance of 20pF and operates within a temperature range of -40°C to +85°C. Packaged in the HC49S surface mount format, this active device is designed for precision timing applications requiring stable oscillation characteristics.

Crystals Feature Summary

• Fundamental mode quartz crystal operation
• Surface mount HC49S package configuration
• Wide industrial temperature range capability

Crystals Applications

• Microcontroller clock sources
• Communication interface timing
• Digital signal processing circuits

Crystals Procurement Notes

Verify the specific datasheet version for the Meritek MXJFFHI7M3728 to confirm exact tolerance grades and packaging details. Ensure compatibility with the target circuit's load capacitance requirements. Cross-reference manufacturer specifications against design constraints before finalizing procurement decisions.

Crystals Selection Notes

Select this component when a 7.3728 MHz reference is required with ±20ppm stability. Consider the 100 Ohm ESR limit for oscillator circuit design. The HC49S form factor suits space-constrained surface mount layouts. Validate thermal performance across the specified -40°C to +85°C operational window.

Crystals Part Context

This crystal belongs to Meritek's MXJ series of fundamental mode resonators. These components are engineered for general-purpose timing applications. The HC49S package provides a standardized footprint compatible with common surface mount assembly processes. The series emphasizes reliability and consistent electrical performance.

Crystals Replacement Considerations

Direct substitutes must match the 7.3728 MHz frequency, HC49S package, and similar ESR and stability specifications. Verify load capacitance compatibility with existing oscillator designs. Consult manufacturer cross-reference lists for approved alternatives.