18QHTF21-39.501-PD

Oscillators Overview

The 18QHTF21-39.501-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 39.501 MHz with LVCMOS output logic and a supply voltage of 1.8V. The device features a power-down function for standby mode control. It utilizes a 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component is designed for surface mount applications requiring precise timing signals in compact electronic systems.

Oscillators Feature Summary

• Supports low voltage operation at 1.8V
• Includes power-down capability for energy efficiency
• Provides standard LVCMOS output signal
• Utilizes compact 4-SMD no lead package

Oscillators Applications

• General purpose clock generation
• Embedded system timing references
• Portable electronic devices
• Communication equipment modules

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply requirement aligns with your system design. Ensure the 4-SMD no lead package footprint matches your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards. Validate availability through authorized distributors to ensure genuine components.

Oscillators Selection Notes

Choose this oscillator when a 39.501 MHz reference is needed with low power consumption. The 1.8V supply makes it suitable for modern low-voltage digital circuits. The small 2.0x1.6 mm package aids in space-constrained designs. Consider the LVCMOS interface compatibility with your target logic family. Evaluate the need for power-down functionality to manage system power states effectively during idle periods.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small form factor oscillators. The series typically includes various frequencies and voltage options. Mercury Electronics is a Taiwan-based manufacturer with expertise in quartz crystal products. The PD suffix indicates the inclusion of a power-down feature within the device functionality.

Oscillators Replacement Considerations

Direct substitutes may include other 39.501 MHz LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical specifications before substitution. Alternative parts must support 1.8V operation and similar physical dimensions. Consult manufacturer cross-reference lists for verified replacements.