3QHM572D0.5-19.440

Oscillators Overview

The 3QHM572D0.5-19.440 is a QuikXO EMI reduction spread spectrum crystal oscillator manufactured by Mercury United Electronics, Inc. It operates at a frequency of 19.440 MHz with a CMOS output signal. The device utilizes a down-spread modulation profile with a deviation of -0.5%. It functions on a 3.3V supply voltage and is housed in a compact 7.0 x 5.0 x 1.4 mm ceramic SMD package featuring four pads.

Oscillators Feature Summary

• Integrates spread spectrum technology to reduce electromagnetic interference emissions
• Provides stable CMOS output signals for digital circuit synchronization
• Utilizes a low-profile ceramic surface-mount package design

Oscillators Applications

• EMI reduction in high-speed digital systems
• Clock generation for data communication interfaces
• Synchronization sources for embedded processors

Oscillators Procurement Notes

Verify the specific operating frequency and supply voltage requirements against system specifications before procurement. Confirm that the CMOS output logic levels are compatible with the receiving input circuits. Ensure the selected package footprint matches the PCB layout constraints. Check RoHS compliance status if required by environmental regulations. Validate the lead-free designation for soldering processes.

Oscillators Selection Notes

Select this component when EMI mitigation is critical for signal integrity. The down-spread modulation helps meet regulatory emission standards without additional filtering. The CMOS interface simplifies integration with standard logic families. Consider the physical dimensions for space-constrained designs. Evaluate the thermal performance within the operating temperature range.

Oscillators Part Context

This part belongs to the QuikXO series of spread spectrum oscillators from Mercury United Electronics. The series offers various frequencies and packages to address different EMI challenges. The 3QHM572D0.5 variant specifically denotes the package type and pin configuration. These oscillators are designed for applications requiring precise clocking with reduced noise profiles.

Oscillators Replacement Considerations

Direct substitutes must match the 19.440 MHz frequency, 3.3V operation, and CMOS output. Verify identical package dimensions and pinout compatibility. Ensure equivalent spread spectrum characteristics for EMI compliance. Cross-reference with other Mercury series parts if available.