18QHTF21-47.998-PD

Oscillators Overview

The 18QHTF21-47.998-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 47.998 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 3.3V and features a compact 4-SMD, No Lead package with dimensions of 5.0 x 3.2 mm. It supports a standby or power-down mode to reduce consumption during inactive periods.

Oscillators Feature Summary

• Supports low-power standby operation via an enable pin
• Provides stable clock signals using LVCMOS output logic
• Utilizes a leadless surface-mount package for space efficiency

Oscillators Applications

• Battery-powered portable electronic devices
• General-purpose digital clock signal generation
• Embedded systems requiring precise timing references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 3.3V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 5.0x3.2mm no-lead package specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a 47.998 MHz reference is required for 3.3V logic interfaces. Consider the 4-SMD no-lead form factor for applications with strict spatial constraints. Evaluate the standby current specifications if power management is critical for the target application environment.

Oscillators Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The manufacturer has decades of experience in Taiwan producing crystals and oscillators. This series typically offers standard performance levels suitable for general consumer and industrial electronics.

Oscillators Replacement Considerations

Cross-reference with other 47.998 MHz LVCMOS oscillators in 5.0x3.2mm packages. Verify compatibility regarding pinout definitions, supply voltage ranges, and output drive strengths before substituting.