18QHTF21-10.6656-PD

Overview

The 18QHTF21-10.6656-PD is a surface-mount crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 10.6656 MHz with an LVCMOS output interface. The device supports a supply voltage of 1.8V and includes a standby power-down function. It is housed in a compact 4-SMD, No Lead package measuring 2.0mm x 1.6mm.

Feature Summary

• Compact 4-SMD no-lead surface mount package for space-constrained designs
• LVCMOS output interface compatible with standard digital logic
• Integrated standby mode for power management efficiency

Applications

• General clock signal generation in embedded systems
• Timing reference for low-voltage digital circuits
• Consumer electronics requiring small form factor oscillators

Procurement Notes

Verify the specific frequency suffix (10.6656) against design requirements. Confirm the 1.8V operating voltage matches the target system rail. Ensure the 4-SMD package footprint aligns with the PCB layout. Check for RoHS compliance if required by project specifications.

Selection Notes

Select this component when a precise 10.6656 MHz timing source is needed in a minimal footprint. The 1.8V specification suits modern low-power applications. The LVCMOS output simplifies interfacing without additional level shifting. Consider the standby feature if power conservation is critical.

Part Context

This part belongs to the Mercury 18QHTF21 series of surface-mount crystal oscillators. The series offers various frequencies within a standardized 2.0x1.6mm package. It is designed for applications requiring reliable timing signals in portable or dense electronic assemblies.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative suppliers based on electrical parameters and mechanical dimensions before substitution.