18QHTF21-2.100-PD

Oscillators Overview

The 18QHTF21-2.100-PD is a 2.1 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The component features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• LVCMOS output interface
• 1.8V operating voltage
• Power-down capability

Oscillators Applications

• Low voltage digital circuits
• Portable electronic devices
• Embedded systems requiring stable clock signals

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a low-profile, low-voltage oscillator is required for space-constrained designs. The LVCMOS output is suitable for standard CMOS logic families. Consider the power-down feature if energy efficiency during idle states is a priority. Validate thermal performance within the specified operating temperature range for the intended application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltages, typically featuring small footprints like 2.0x1.6mm. The 'PD' suffix indicates the inclusion of a power-down pin or function, allowing for active standby management in battery-powered applications.

Oscillators Replacement Considerations

Direct substitutes include other 2.1MHz LVCMOS oscillators in 4-SMD 2.0x1.6mm packages with 1.8V operation and power-down functionality from manufacturers such as Epson, NDK, or TXC. Verify pin compatibility and electrical specifications before substitution.