18QHTF21-4.51548-PD

Oscillators Overview

The 18QHTF21-4.51548-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 4.51548 MHz with an LVCMOS output logic level. 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 2.0x1.6mm.

Oscillators Feature Summary

• Provides stable high-frequency signal generation for LVCMOS systems
• Features low power consumption characteristics
• Includes standby mode capability for power efficiency

Oscillators Applications

• LVCMOS system clock generation
• High-frequency signal processing circuits
• Low-power electronic devices requiring precise timing

Oscillators Procurement Notes

Verify the manufacturer part number against official Mercury Electronic Ind. Co., Ltd documentation to ensure authenticity. Confirm that the specific suffix indicates the correct package type and electrical specifications. Check datasheets for operating temperature ranges and supply voltage requirements before integration. Ensure compliance with RoHS status if required by your manufacturing standards.

Oscillators Selection Notes

Select this component when a 4.51548 MHz frequency is specifically required for LVCMOS interfaces. Consider the 1.8V supply voltage constraint and the need for a power-down feature. The small 2.0x1.6mm SMD package is suitable for space-constrained designs. Evaluate thermal performance within the specified operating temperature range.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics family of quartz-based timing components. The brand specializes in frequency-control solutions including crystals, filters, and oscillators. This specific model represents a standard XO variant designed for general-purpose digital timing applications requiring low profile and efficient power usage.

Oscillators Replacement Considerations

Check for direct substitutes from Mercury Electronics with identical frequency and package. Verify compatibility with other manufacturers offering 4.51548 MHz LVCMOS oscillators in 4-SMD No Lead packages. Ensure pinout and electrical parameters match exactly before substitution.