18QHTF21-28.2153-PD

Oscillators Overview

The 18QHTF21-28.2153-PD is a 28.2153 MHz crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The device features a Standby (Power Down) control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 2.00mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for standard digital interface compatibility
• Includes Standby (Power Down) functionality to reduce power consumption
• Designed for surface mount assembly in space-constrained applications

Oscillators Applications

• Portable electronic devices requiring low power operation
• Communication equipment utilizing standard clock signals
• Embedded systems with strict size limitations

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD package footprint matches the PCB layout requirements. Check for any specific ordering suffixes that may affect performance or packaging.

Oscillators Selection Notes

Select this component when a precise 28.2153 MHz clock source is required in a minimal footprint. The 1.8V supply voltage makes it suitable for modern low-voltage digital circuits. The standby feature provides an advantage in battery-powered designs where power efficiency is critical. Ensure the application environment falls within the specified operating temperature limits.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz crystals and oscillators. The series typically offers various frequencies in a small SMD package. Mercury Electronics has a long history in the Taiwan frequency-control industry, providing timing solutions for diverse electronic applications.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with different frequencies, such as 18QHTF21-25.000-PD or 18QHTF21-32.768-PD, if the frequency requirement can be adjusted. Cross-brand replacements require matching LVCMOS logic, 1.8V supply, and 4-SMD package dimensions.