18QHTF21-31.0025-PD

Oscillators Overview

The 18QHTF21-31.0025-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 31.0025 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and features a standby (power down) function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The unit exhibits a frequency stability of ±50ppm and an operating temperature range from -40°C to 85°C. Maximum supply current is specified as 24mA.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Includes standby mode for power management efficiency
• Designed for surface mount assembly in small form factor applications

Oscillators Applications

• General clock signal generation for digital circuits
• Embedded systems requiring precise timing references
• Portable electronic devices utilizing low-power oscillators

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 availability through authorized distributors for genuine Mercury Electronics products.

Oscillators Selection Notes

Select this component when a 31.0025 MHz clock source is required with strict size limitations. Consider the ±50ppm stability sufficient for standard digital interfaces. Evaluate the 24mA current consumption against battery life requirements if applicable. Compare against other Mercury QHTF series variants for different voltage or frequency needs.

Oscillators Part Context

This part belongs to the QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltages within a standardized 2.0x1.6mm package. It serves as a timing reference solution for consumer electronics and industrial control modules requiring reliable clock signals.

Oscillators Replacement Considerations

Direct substitutes may include other 18QHTF21 models with identical pinout and electrical characteristics but different frequencies. Cross-reference with Mercury's official replacement guide for equivalent performance specifications.