18QHTF21-112.440-PD

Overview

The 18QHTF21-112.440-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a nominal frequency of 112.44 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a standby or power-down capability for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode functionality to reduce power consumption
• Utilizes a lead-free surface-mount package design

Applications

• General clock signal generation in electronic circuits
• Digital system timing references
• Communication equipment internal clocks

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 4-SMD, No Lead package dimensions of 2.0x1.6 mm to guarantee proper assembly and electrical connection.

Selection Notes

Select this component when a precise 112.44 MHz reference is required with low-voltage operation. Consider the LVCMOS output level for direct interfacing with compatible digital logic families. Evaluate the need for power-down capabilities if battery life or thermal management is critical. Compare package size constraints against available board space.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies within a small form factor. Mercury Electronics is a manufacturer specializing in frequency control products, including quartz crystals and oscillators, with a long history in the industry.

Replacement Considerations

Direct substitutes must match the 112.44 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical specifications such as phase noise and jitter before substitution.