18QHTF21-3.730-OE

Oscillators Overview

The 18QHTF21-3.730-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 3.73 MHz and utilizes LVCMOS output logic levels. The component supports a supply voltage range that includes 1.8V operation and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output logic compatibility
• Integrated enable/disable control functionality
• Surface-mount 4-SMD no lead package design

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for low-voltage digital systems
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific operating voltage requirements against the target circuit design, as the datasheet indicates support for 1.8V but may accommodate other voltages. Confirm the enable/disable pin configuration matches the system control logic. Ensure the 4-SMD footprint aligns with the PCB layout specifications to guarantee proper mechanical and electrical connection during assembly.

Oscillators Selection Notes

Select this component when a precise 3.73 MHz timing source is required for low-power applications. The LVCMOS output ensures compatibility with standard digital interfaces. Consider the enable feature if power conservation is critical. Verify that the 4-SMD package size fits within the available board space constraints compared to larger through-hole or alternative SMD packages.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals, oscillators, and filters. This part belongs to their line of standard crystal oscillators, which are designed to provide stable clock signals for various electronic applications. The company has a long history in the quartz industry, focusing on precision timing components.

Oscillators Replacement Considerations

Direct substitutes include the 18QHTF21-6.300-OE and 18QHTF21-13.1313-OE from the same manufacturer series, though these operate at different frequencies (6.3 MHz and 13.1313 MHz respectively). Any replacement must match the 3.73 MHz frequency requirement and LVCMOS output characteristics.