25QHM572C0.25-148.500

Oscillators Overview

The 25QHM572C0.25-148.500 is a QuikXO series spread spectrum crystal oscillator (SSXO) manufactured by Mercury United Electronics, Inc. It operates at a center frequency of 148.500 MHz with a CMOS output signal. The device features a ±0.25% center spread modulation profile to reduce electromagnetic interference (EMI). It functions within a supply voltage range of 2.5V and supports an industrial temperature range from -45°C to +85°C. The component utilizes a 4-pad ceramic surface-mount package measuring 7.0 x 5.0 x 1.4 mm.

Oscillators Feature Summary

• Integrated spread spectrum modulation for EMI reduction
• CMOS output interface compatible with standard logic levels
• Industrial grade temperature stability across wide operating ranges
• Compact ceramic surface-mount construction

Oscillators Applications

• High-speed digital clock distribution systems
• Telecommunications equipment requiring low noise clocks
• Data processing units needing precise timing references
• Embedded systems with strict EMI compliance requirements

Oscillators Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct frequency and tolerance specifications. Confirm that the required operating temperature range aligns with the industrial grade rating. Check for RoHS compliance status if environmental regulations apply to your assembly process. Ensure the selected variant matches the required package dimensions for PCB layout compatibility.

Oscillators Selection Notes

Select this component when a stable 148.5 MHz clock source with inherent EMI suppression is required. The CMOS output simplifies interfacing with digital circuits without additional buffering. Consider the ±0.25% spread specification for applications sensitive to spectral density. Evaluate the 2.5V supply requirement against available power rails in the target design.

Oscillators Part Context

This oscillator belongs to the QuikXO family designed for high-performance timing applications. It combines crystal stability with active oscillator convenience. The spread spectrum feature distinguishes it from standard fixed-frequency oscillators by modulating the output to minimize peak emissions. It serves as a direct replacement for legacy crystal assemblies in space-constrained designs.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Verify pinout and electrical parameters before substituting with other SSXO models. Ensure any alternative component meets the same 148.5 MHz frequency and CMOS output requirements.