SXMH7.3728F2020F30

Crystals Overview

The SXMH7.3728F2020F30 is a passive quartz crystal resonator manufactured by Shenzhen SCTF Electronics, designed for surface-mount applications. It operates at a nominal frequency of 7.3728 MHz with a load capacitance of 20 pF and a maximum equivalent series resistance (ESR) of 60 Ohms. The component features a normal temperature frequency tolerance of ±20 ppm and a frequency stability of ±30 ppm across the industrial operating temperature range of -40°C to +85°C. Housed in an HC-49SMD package, it utilizes sealed quartz technology to ensure high reliability and long-term stability.

Crystals Feature Summary

• Sealed quartz construction using resistance-welded surface-mount packaging for enhanced durability
• High stability and wide temperature range operation suitable for industrial environments
• Lead-free composition compliant with RoHS environmental standards

Crystals Applications

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

Crystals Procurement Notes

Verify the specific manufacturer part number against official datasheets to confirm package type and electrical parameters. Ensure compatibility with surface-mount assembly processes. Check for RoHS compliance documentation if required by project specifications. Confirm availability through authorized distributors or direct manufacturer channels to guarantee authenticity and supply chain integrity.

Crystals Selection Notes

Select this component when a stable 7.3728 MHz reference is required for surface-mount designs. Consider the ±20 ppm tolerance and 60 Ohm ESR limits relative to the oscillator circuit requirements. Evaluate the HC-49SMD footprint against PCB layout constraints. Verify that the -40°C to +85°C operating range meets the environmental conditions of the target application.

Crystals Part Context

This model belongs to the SCTF SXMH series of passive quartz crystals. These components are engineered for general-purpose timing applications requiring precise frequency control. The series offers various frequency options within the HC-49SMD form factor, balancing performance with cost-effectiveness for mass-produced electronic devices.

Crystals Replacement Considerations

Cross-reference with other HC-49SMD 7.3728 MHz crystals from different manufacturers ensuring identical load capacitance (20pF), ESR (max 60 Ohms), and tolerance (±20ppm). Verify mechanical dimensions and pin compatibility before substitution.