18QHTF21-26.5939-PD

Oscillators Overview

The 18QHTF21-26.5939-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 26.5939 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports low-power standby mode via power-down control
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed for battery-powered applications due to low current consumption

Oscillators Applications

• Portable electronic devices
• Battery-powered systems
• Digital communication equipment

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided in the official datasheet to ensure reliable assembly and long-term performance stability.

Oscillators Selection Notes

Select this component when a precise 26.5939 MHz clock signal is required for LVCMOS-compatible circuits. The choice is driven by the need for low power consumption in portable applications and the availability of a power-down feature for energy management. Consider the small 2.0x1.6mm package size if space constraints are critical. Verify that the operating temperature range meets your environmental specifications.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages, typically featuring LVCMOS outputs and compact SMD packages. The 'PD' suffix indicates the inclusion of a power-down pin or function, allowing for active standby modes to reduce power usage during idle periods.

Oscillators Replacement Considerations

Direct replacements must match the 26.5939 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify equivalent electrical characteristics such as phase noise and jitter if specified in your design. Cross-reference with other manufacturers offering similar low-profile oscillators with standby capabilities.