18QHTF21-20.250-PD

Oscillators Overview

The 18QHTF21-20.250-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.25 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a supply voltage of 1.8V and supporting a standby or power-down mode to reduce energy consumption during inactive periods. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for space-constrained surface-mount designs.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby or power-down functionality
• Utilizes LVCMOS output interface

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Embedded systems utilizing LVCMOS logic interfaces
• Compact consumer electronics with limited board space

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout specifications to guarantee proper assembly and electrical connectivity.

Oscillators Selection Notes

Select this component when a precise 20.25 MHz clock signal is required in a minimal form factor. The choice is appropriate for designs prioritizing low power usage through standby modes. Consider the LVCMOS output compatibility with your microcontroller or FPGA inputs. Evaluate the thermal and mechanical constraints of the 2.0x1.6mm package within your overall enclosure design.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The manufacturer has decades of experience in frequency control products. This series typically offers standard XO configurations with various frequency options and low-voltage capabilities, catering to modern portable and industrial electronics markets.

Oscillators Replacement Considerations

Direct substitutes include other 20.25 MHz LVCMOS oscillators in a 2.0x1.6mm SMD package with 1.8V operation. Verify pinout compatibility and electrical characteristics such as phase noise and jitter before swapping. Consult official cross-reference lists from Mercury Electronics for validated alternatives.