18QHTF21-4.718592-PD

Oscillators Overview

The 18QHTF21-4.718592-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.718592 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component supports an operating temperature range typical for commercial applications.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power management
• Utilizes LVCMOS output interface

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication modules utilizing LVCMOS interfaces
• Embedded systems with space constraints

Oscillators Procurement Notes

Verify the exact frequency suffix matches the required system clock specification. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout. Check datasheet specifications for load capacitance requirements to ensure signal integrity.

Oscillators Selection Notes

Select this component when a precise 4.718592 MHz clock source is needed for LVCMOS-compatible circuits. Consider the 1.8V operating voltage requirement and the availability of a power-down feature for battery-operated applications. Evaluate the small 2.0x1.6mm package size against available board space constraints.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic. The series offers various frequencies within a standardized 4-SMD no-lead form factor. These components are designed for high stability and reliability in consumer electronics and industrial control applications.

Oscillators Replacement Considerations

Direct substitutes must match the 4.718592 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics before substitution.