25QHTF21-38.13986-PD

Oscillators Overview

The 25QHTF21-38.13986-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 38.13986 MHz with a 2.5V supply voltage. The device utilizes LVCMOS output logic and features a Standby (Power Down) control function. 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 2.5V
• Includes standby power-down capability
• Provides LVCMOS signal output

Oscillators Applications

• General clock generation for digital circuits
• Embedded systems requiring precise timing
• Communication equipment signal sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 2.5V operating voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a stable 38.13986 MHz reference is required in space-constrained designs. The 2.0x1.6 mm form factor suits high-density boards. Consider the LVCMOS interface compatibility with downstream logic levels. The standby feature allows for power management strategies in battery-operated or energy-efficient applications.

Oscillators Part Context

This part belongs to the 25QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has produced such components since 1973. This series typically offers standard oscillators suitable for various electronic applications requiring reliable clock signals.

Oscillators Replacement Considerations

Direct substitutes include other 38.13986 MHz XO models from Mercury Electronics with identical 2.5V LVCMOS specifications and 4-SMD no-lead packaging. Verify pinout and electrical characteristics match exactly before substitution.