18QHTF21-59.095-PD

Overview

The 18QHTF21-59.095-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 59.095 MHz with a frequency stability of ±50 ppm. The device utilizes LVCMOS output logic and functions at a supply voltage of 1.8V. It features a standby mode for power down capabilities. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports low-voltage operation at 1.8V for energy efficiency
• Includes standby functionality to reduce power consumption during idle periods
• Provides stable frequency generation with ±50 ppm accuracy

Applications

• Battery-powered portable electronic devices
• General-purpose digital timing circuits
• Communication systems requiring precise clock signals

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply rail is stable and within tolerance limits to maintain the specified ±50 ppm frequency stability. Confirm that the PCB footprint matches the 2.0x1.6mm SMD package dimensions to avoid assembly issues.

Selection Notes

Select this component when a low-profile, low-voltage oscillator is required for space-constrained designs. The 1.8V supply and standby feature make it suitable for battery-operated applications where power management is critical. Consider the ±50 ppm stability requirement to ensure compatibility with the target system's timing precision needs.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The manufacturer has been producing frequency control products since 1973, establishing expertise in Taiwan's crystal industry. This series typically offers various frequencies and package options to meet diverse electronic design requirements.

Replacement Considerations

Direct substitutes may include other 59.095 MHz LVCMOS oscillators with similar 1.8V operation and 2.0x1.6mm packages. Verify pinout compatibility and electrical specifications such as current consumption and startup time before substitution.