18QHTF21-43.350-PD

Oscillators Overview

The 18QHTF21-43.350-PD is a 43.35 MHz crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates on a 1.8V supply voltage and utilizes LVCMOS output logic. The device features a Standby function for power down control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Provides stable clock signals via standard XO architecture
• Supports low voltage operation at 1.8V
• Includes standby capability for power management

Oscillators Applications

• Electronic circuit clock generation
• Communication systems timing
• Digital signal processing synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet to ensure reliable performance.

Oscillators Selection Notes

Select this component when a precise 43.35 MHz clock source is required in space-constrained designs. The small 2.0x1.6mm footprint makes it suitable for high-density PCB layouts. Ensure compatibility with LVCMOS interfaces and verify thermal constraints for the operating environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies with standardized packaging. The 'PD' suffix typically indicates specific pin configuration or packaging variations consistent with the manufacturer's catalog structure.

Oscillators Replacement Considerations

Direct substitutes must match the 43.35 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify electrical parameters such as phase noise and stability against the original specification.