18QHTF21-124.412-PD

Overview

The 18QHTF21-124.412-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 124.412 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Compact surface-mount form factor

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output types. Confirm that the 1.8V supply requirement aligns with the target circuit design. Check package tolerance specifications against PCB footprint requirements to ensure proper assembly and soldering integrity during manufacturing.

Selection Notes

Select this component when a precise 124.412 MHz reference is required for low-voltage digital circuits. Consider the 1.8V operating range and LVCMOS compatibility with downstream logic inputs. Evaluate the need for power-down capabilities if energy efficiency is a priority in the application environment.

Part Context

This part belongs to the PTV series of oscillators from Mercury Electronics. The manufacturer has extensive experience in quartz crystal production. This specific model represents a standard XO variant designed for general-purpose timing applications requiring stable frequency generation in small electronic modules.

Replacement Considerations

Direct substitutes include other 124.412 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Ensure equivalent voltage ratings and pinout configurations before substitution.