18QHTF21-48.636149-OE

Oscillators Overview

The 18QHTF21-48.636149-OE is a fixed-frequency crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 48.636149 MHz and utilizes an LVCMOS output interface. The device functions with a supply voltage of 1.8V and includes enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports LVCMOS output logic levels for digital interfacing
• Integrates enable and disable control capabilities
• Designed for low-profile surface-mount applications

Oscillators Applications

• Digital signal processing circuits
• Communication equipment clocking
• Embedded system timing references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper solder joint formation and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a precise 48.636149 MHz reference is required in space-constrained designs. The LVCMOS interface suits standard digital logic families operating at 1.8V. Consider the enable/disable feature if power management or clock gating is necessary within the application architecture.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan producing crystals and oscillators. This series represents their standard XO offerings designed for modern electronic devices requiring stable timing sources.

Oscillators Replacement Considerations

Direct substitutes must match the 48.636149 MHz frequency, 1.8V operation, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter before swapping.