18QHTF21-16.875-PD

Oscillators Overview

The 18QHTF21-16.875-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 16.875 MHz and utilizes LVCMOS output logic levels. The device is designed for operation with a supply voltage of 3.3V and features a power-down (PD) standby function to reduce consumption when inactive. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-power standby mode via dedicated power-down control
• Provides stable LVCMOS clock signals for digital circuits
• Compact 2.0x1.6mm surface-mount footprint

Oscillators Applications

• General-purpose digital system clocking
• Embedded microcontroller timing sources
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific operating temperature range and frequency stability requirements against your application needs before procurement. Ensure the 3.3V supply voltage aligns with your system design. Confirm that the 4-SMD no-lead package is compatible with your PCB assembly process. Cross-reference the manufacturer's latest datasheet for any updates on lifecycle status or recommended soldering profiles to ensure reliable integration.

Oscillators Selection Notes

Select this component when a precise 16.875 MHz reference is required for systems operating at 3.3V. The integrated power-down feature makes it suitable for battery-powered or energy-efficient designs where standby current reduction is critical. Consider the small form factor for space-constrained layouts. Ensure the environmental conditions fall within the specified operational limits for long-term reliability.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options in a standardized 2.0x1.6mm package. Mercury Electronics is a established manufacturer of frequency control products, providing components for diverse electronic applications requiring accurate timing.

Oscillators Replacement Considerations

Direct substitutes may include other 16.875 MHz LVCMOS oscillators in 2.0x1.6mm packages with 3.3V operation and power-down capabilities. Verify pin compatibility and electrical specifications before substitution.