18QHTF21-13.105-PD

Overview

The 18QHTF21-13.105-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.105 MHz with LVCMOS output logic and a supply voltage of 1.8V. The device features a standby (power down) function and is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports low voltage operation at 1.8V for energy-efficient applications
• Includes standby mode capability to reduce power consumption when inactive
• Utilizes LVCMOS output logic for standard digital interface compatibility

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring standard frequencies
• Portable devices utilizing low voltage power supplies

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly and long-term performance stability.

Selection Notes

Select this component when a precise 13.105 MHz timing source is required with minimal power usage. The 1.8V operating voltage makes it suitable for modern low-power digital designs. Consider the small 2.0x1.6 mm footprint if space is limited on the printed circuit board. Verify that LVCMOS output levels are compatible with the input thresholds of the connected logic devices to ensure proper signal integrity.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various standard frequencies. The series is characterized by its small SMD package and low voltage operation. Mercury Electronics has a history of manufacturing quartz crystals and oscillators, providing frequency control solutions for diverse electronic applications.

Replacement Considerations

Direct substitutes include other 13.105 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications such as phase noise and jitter before substitution.