18QHTF21-44.040-PD

Oscillators Overview

The 18QHTF21-44.040-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 44.040 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby (power down) function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode to reduce power consumption during idle periods
• Utilizes a leadless SMD package for surface mount assembly

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 44.040 MHz
• Embedded devices utilizing low-voltage logic interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target system design. Confirm that the 4-SMD no-lead package footprint matches the PCB layout requirements for reliable soldering and mechanical stability.

Oscillators Selection Notes

Select this component when a precise 44.040 MHz timing source is required for low-voltage applications. The choice is driven by the need for LVCMOS compatibility and the integration of a power-down feature. Consider the physical constraints of the 2.0x1.6mm package size when designing the circuit board layout.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronic Ind. Co. Ltd. The series offers various frequencies within a standardized small form factor. The manufacturer specializes in quartz crystals and frequency control products, providing components for diverse electronic applications.

Oscillators Replacement Considerations

Compatible substitutes include other 44.040 MHz LVCMOS oscillators in a 4-SMD no-lead package with 1.8V operation. Verify pinout compatibility and electrical specifications such as jitter and phase noise before substitution.