18QHTF21-38.785316-PD

Oscillators Overview

The 18QHTF21-38.785316-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 38.785316 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down function via a standby control input. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power management
• Compact surface-mount footprint

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication systems utilizing LVCMOS interfaces
• Embedded timing circuits in consumer electronics

Oscillators 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 4-SMD no-lead package dimensions fit within your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly.

Oscillators Selection Notes

Select this component when a precise 38.785316 MHz clock signal is required for LVCMOS-compatible digital circuits. The choice is driven by the need for low voltage operation and integrated power-down capabilities. Consider the small form factor if space is limited on the printed circuit board. Ensure compatibility with the 1.8V logic levels used in the target application environment.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which focuses on providing stable timing solutions for modern electronics. The 18QHTF21 series typically offers various frequencies within a standardized package size. Mercury Electronics specializes in quartz crystals and oscillators, leveraging decades of experience in frequency control manufacturing.

Oscillators Replacement Considerations

Direct substitutes must match the 38.785316 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.