18QHTF21-36.700-PD

Oscillators Overview

The 18QHTF21-36.700-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a frequency of 36.7 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a power-down function for standby control. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down capability for energy management
• Provides LVCMOS output signal compatibility

Oscillators Applications

• General electronic timing circuits
• Embedded systems requiring precise clock signals
• Portable devices utilizing low-power oscillators

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 2.0x1.6 mm footprint matches 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 small form factor is required alongside low power consumption. The 1.8V operating voltage makes it suitable for modern low-voltage digital logic families. Consider the LVCMOS interface for direct connection to microcontrollers or FPGAs without additional level shifting. The integrated power-down feature offers flexibility for battery-operated applications needing extended standby times.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series includes various frequencies and packages, catering to diverse timing needs. Mercury Electronics has been a pioneer in the Taiwan crystal industry since 1973, offering a range of oscillators and filters.

Oscillators Replacement Considerations

Direct substitutes may include other 36.7 MHz LVCMOS oscillators in a 2.0x1.6 mm SMD package from different manufacturers. Verify pinout compatibility and electrical specifications such as phase noise and jitter if critical. Ensure the replacement supports the same 1.8V supply and power-down functionality.