18QHTF21-26.1621-PD

Oscillators Overview

The 18QHTF21-26.1621-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 26.1621 MHz and utilizes LVCMOS output logic. The device is powered by a 1.8V supply voltage and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports Low Voltage CMOS (LVCMOS) output logic for digital interface compatibility
• Includes Standby or Power Down functionality to manage power consumption
• Designed as a standard crystal oscillator (XO) for clock signal generation

Oscillators Applications

• Digital circuit clock signal generation
• Embedded system timing references
• Communication equipment internal clocks

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design specifications. 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 constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a precise 26.1621 MHz clock source is required with low voltage operation. The LVCMOS output ensures compatibility with standard digital logic families. The integrated standby feature allows for power management strategies in battery-operated devices. Consider the small 2.0x1.6mm form factor for space-constrained designs requiring reliable timing signals.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series typically offers various frequencies within a compact SMD package. Mercury Electronics has a long history in quartz crystal manufacturing, providing standardized oscillator solutions for industrial and consumer electronics applications.

Oscillators Replacement Considerations

Direct substitutes must match the 26.1621 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and thermal characteristics. Alternative parts from other manufacturers require careful evaluation of jitter and phase noise specifications to ensure functional equivalence.