18QHTF21-3.800-PD

Oscillators Overview

The 18QHTF21-3.800-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 3.8 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down function controlled via the enable pin, indicated by the 'PD' suffix. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component provides precise timing signals suitable for various digital applications requiring low power consumption and small form factors.

Oscillators Feature Summary

• Compact 4-SMD No Lead package measuring 2.0mm x 1.6mm
• LVCMOS output logic for standard digital interfacing
• Power-down capability for energy efficiency
• Standard crystal oscillator design for precise timing

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Consumer electronics with space constraints
• Digital communication systems needing stable clock signals
• Microcontroller-based circuits

Oscillators Procurement Notes

Verify the exact frequency tolerance and stability specifications from the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the LVCMOS output levels are compatible with the receiving logic inputs. Check the operating temperature range to guarantee performance under your specific environmental conditions. Validate the package dimensions against your PCB footprint requirements.

Oscillators Selection Notes

Choose this oscillator when a 3.8 MHz clock signal is required with minimal board space. The 1.8V operation makes it suitable for battery-powered or low-voltage systems. The power-down feature allows for dynamic power management. Consider the LVCMOS output if single-ended signaling is sufficient for your application. Compare alternatives if higher frequencies or differential outputs are needed.

Oscillators Part Context

This component belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic. The series offers various frequencies and packages. The 'PD' suffix denotes the power-down functionality. Mercury Electronic specializes in frequency control products, including crystals and oscillators, providing timing solutions for diverse electronic industries.

Oscillators Replacement Considerations

Direct replacements must match the 3.8 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify equivalent power-down functionality. Consult manufacturer cross-reference lists for verified substitutes. Ensure thermal and electrical characteristics are identical to maintain system reliability.