18QHTF21-21.100-PD

Oscillators Overview

The 18QHTF21-21.100-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 21.1 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a power-down standby function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• LVCMOS output interface
• Power-down standby capability
• Compact surface-mount form factor

Oscillators Applications

• General clock signal generation
• Embedded system timing references
• Consumer electronics circuits

Oscillators Procurement Notes

Verify the specific part number suffix to ensure compatibility with required voltage levels and packaging specifications. Confirm that the supplier provides authentic components with traceable documentation. Check for RoHS compliance status if environmental regulations apply to the end product assembly process.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required for space-constrained designs. The small 2.0x1.6mm footprint makes it suitable for high-density PCB layouts. Ensure the application supports LVCMOS logic levels and can utilize the power-down feature for efficiency.

Oscillators Part Context

This model belongs to the Mercury Electronics 18QHTF21 series of surface-mount oscillators. The series offers various frequencies within a standardized small outline package format. These components are designed for applications requiring precise timing signals in portable and miniaturized electronic devices.

Oscillators Replacement Considerations

Cross-reference other 18QHTF21 series variants from Mercury Electronics for different frequency requirements. Verify pinout and electrical characteristics before substituting with oscillators from other manufacturers to ensure functional equivalence.