18QHTF21-45.02857-PD

Oscillators Overview

The 18QHTF21-45.02857-PD is a surface-mount crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 45.02857 MHz with a supply voltage of 1.8V. The device utilizes a 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm (0.079" L x 0.063" W). Output current is specified at 22mA. This component is designed for compact electronic applications requiring precise timing signals.

Oscillators Feature Summary

• Compact 4-SMD no-lead surface mount package
• Low voltage operation at 1.8V
• High precision frequency stability

Oscillators Applications

• Portable consumer electronics
• Communication modules
• Embedded systems timing

Oscillators Procurement Notes

Verify the specific suffix against official Mercury Electronics documentation to confirm electrical characteristics and pinout compatibility. Ensure the ordering part number matches the required frequency and voltage specifications exactly. Cross-reference datasheets for temperature range and load requirements before integration into final designs.

Oscillators Selection Notes

Select this model when space constraints require a 2.0x1.6mm footprint. Confirm that the system power rail supports 1.8V operation. Evaluate the 22mA output drive capability against downstream logic input requirements. Verify that the 45.02857 MHz frequency aligns with system clock architecture needs.

Oscillators Part Context

This oscillator belongs to Mercury Electronics' SMD crystal oscillator series. These components provide stable clock signals for digital circuits. The product line emphasizes miniaturization and low power consumption suitable for modern portable devices and high-density PCB layouts.

Oscillators Replacement Considerations

No public substitute part numbers are confirmed in available documentation. Direct replacement requires identical frequency, voltage, and package dimensions. Consult manufacturer guidelines for cross-referencing alternatives.