18QHTF21-19.84375-PD

Oscillators Overview

The 18QHTF21-19.84375-PD is a crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 19.84375 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode capability
• Provides standard LVCMOS signal output

Oscillators Applications

• Embedded systems requiring precise clock signals
• Portable electronic devices utilizing low-power components
• Communication modules needing stable frequency references

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the presence of the power-down feature as documented. Ensure the 1.8V supply requirement aligns with target circuit designs. Confirm the 4-SMD no-lead footprint matches PCB layout constraints before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 19.84375 MHz reference is required in space-constrained applications. The 2.0x1.6 mm package size suits high-density board layouts. Consider the 1.8V operating voltage to ensure compatibility with low-voltage logic families and power supplies.

Oscillators Part Context

This model belongs to the Mercury Electronics XO series designed for general-purpose timing applications. The product line emphasizes small form factors and low power consumption. Mercury Electronic Ind. Co., Ltd. manufactures these components to meet industry standards for frequency stability in consumer and industrial electronics.

Oscillators Replacement Considerations

Cross-reference other 18QHTF21 variants from Mercury Electronics for different frequencies. Verify that alternative suppliers offer identical 2.0x1.6 mm SMD packages and LVCMOS outputs to maintain mechanical and electrical compatibility.