18QHTF21-3.730-PD

Oscillators Overview

The 18QHTF21-3.730-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 3.73 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features a standby or power-down function to manage energy consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount assembly.

Oscillators Feature Summary

• LVCMOS output interface for digital signal compatibility
• Integrated standby mode for power management
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Battery-powered portable electronic devices
• Low-power embedded systems
• Digital communication interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's operational specifications. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to guarantee proper solder joint integrity during assembly.

Oscillators Selection Notes

Select this component when a precise 3.73 MHz clock source is required for low-voltage logic circuits. The choice is driven by the need for a small form factor and power-down capability. Consider the operating temperature range and initial frequency accuracy if the application involves strict timing constraints or harsh environmental conditions.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized 2.0x1.6 mm package. These components are engineered for consumer electronics and industrial applications requiring reliable clock signals with minimal power consumption and space utilization.

Oscillators Replacement Considerations

Direct substitutes must match the 3.73 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as current consumption and duty cycle before integrating alternative sources.