18QHTF21-2.457-OE

Oscillators Overview

The 18QHTF21-2.457-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 2.457 MHz and utilizes LVCMOS output logic levels. The device requires a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. The component supports an operating temperature range of -40°C to 85°C and offers a frequency stability of ±50ppm.

Oscillators Feature Summary

• Integrates enable/disable functionality for efficient power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Provides stable timing signals via standard XO architecture

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Embedded systems utilizing LVCMOS interfaces
• Consumer electronics operating within industrial temperature ranges

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Ensure that the 1.8V supply voltage aligns with the system's power rails. Confirm that the enable/disable pin configuration matches the control logic available in the host microcontroller or application processor to ensure proper operation during sleep modes.

Oscillators Selection Notes

Select this component when a small form factor is critical due to its 2.0x1.6 mm footprint. It is suitable for applications demanding low voltage operation at 1.8V. Consider the ±50ppm stability specification to ensure it meets the timing accuracy requirements of the communication protocol or clock distribution network used in the design.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series is characterized by low profile packages and support for various frequencies. The manufacturer specializes in quartz-based timing components, offering solutions for consumer and industrial markets with a focus on miniaturization and reliability.

Oscillators Replacement Considerations

Direct substitutes include other 1.8V LVCMOS oscillators in 4-SMD No Lead packages with similar dimensions. Verify that alternative parts match the 2.457 MHz frequency, ±50ppm stability, and enable/disable functionality. Cross-reference pinouts to ensure electrical compatibility without redesigning the PCB layout.