18QHTF21-12.00125-PD

Overview

The 18QHTF21-12.00125-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.00125 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Feature Summary

• Supports standby mode for power management
• Utilizes LVCMOS output logic
• Compact surface mount package

Applications

• Battery-powered devices
• Portable electronics

Procurement Notes

Verify the specific frequency tolerance and stability requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints. Check for any specific RoHS or environmental compliance certifications required for the application.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a precise 12.00125 MHz reference signal. The integrated power-down feature makes it suitable for applications requiring active power management. Consider the small 2.0x1.6mm footprint for space-constrained designs. Verify compatibility with LVCMOS interfaces in the receiving circuitry.

Part Context

This part belongs to the Mercury 18QHTF21 series of programmable oscillators. The series offers various frequencies and supports differential or single-ended outputs. The 'PD' suffix typically indicates the inclusion of a power-down control pin, allowing for energy savings during idle periods within the system operation.

Replacement Considerations

Direct substitutes include other 12.00125 MHz LVCMOS oscillators from Mercury with identical 1.8V supply and 4-SMD no-lead packaging. Cross-reference with similar models like the 18QHTF21 series variants ensuring matching electrical parameters and mechanical dimensions.