18QHTF21-108.480-PD

Overview

The 18QHTF21-108.480-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 108.48 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, designed for surface-mount applications.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Supports standby mode to reduce power consumption during idle periods
• Utilizes a lead-free SMD package for automated assembly

Applications

• Digital signal processing systems requiring precise clock timing
• Communication equipment utilizing 108.48 MHz reference frequencies
• Embedded control units with low-voltage power constraints

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before integration. Confirm that the 1.8V supply rail matches the system design specifications. Ensure the PCB footprint aligns with the 4-SMD no-lead package dimensions to prevent soldering defects. Cross-reference the part suffix PD with manufacturer documentation to confirm material compliance and packaging details.

Selection Notes

Select this component when a stable 108.48 MHz clock source is required for LVCMOS-compatible circuits. The choice is driven by the need for low-power operation via the standby feature and the constraint of using a 1.8V supply voltage. Consider the physical size of the 4-SMD package relative to available board space. Evaluate thermal performance within the specified operating temperature range to ensure long-term reliability in the target environment.

Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series is characterized by small form factors and low power consumption. Mercury Electronics has established itself as a pioneer in the Taiwan quartz crystal industry, providing components for various electronic applications requiring precise timing.

FAQ

What is the output logic type for this oscillator?

The 18QHTF21-108.480-PD uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.

Does this component support power management features?

Yes, the device includes a standby or power-down function to manage power consumption when not actively transmitting a clock signal.