18QHTF21-4.433618-OE

Oscillators Overview

The 18QHTF21-4.433618-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 4.433618 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes a compact 4-SMD no-lead surface mount package

Oscillators Applications

• General clock signal generation in electronic circuits
• Embedded systems requiring precise timing references
• Consumer electronics utilizing low-voltage power supplies

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before procurement, as these parameters are not detailed in general listings. Confirm that the 1.8V supply requirement aligns with the target system design. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a stable 4.433618 MHz reference is required for LVCMOS-compatible digital logic. The choice is driven by the need for a low-profile 2.0x1.6mm package suitable for space-constrained designs. Consider the 1.8V operating voltage to ensure compatibility with modern low-power microcontrollers and processors. The enable/disable feature allows for power management strategies in battery-operated applications.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies within a small form factor. The 'OE' suffix typically denotes a specific ordering or packaging variant, such as tape and reel configuration, though exact details require datasheet confirmation. This model represents a specific frequency option within the broader family of quartz-based timing solutions.

Oscillators Replacement Considerations

Direct substitutes must match the 4.433618 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers offering similar SMD oscillators, ensuring identical electrical parameters and physical dimensions to maintain board integrity.