18QHTF21-74.7528-PD

Overview

The 18QHTF21-74.7528-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 74.7528 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby function for power down capabilities. It is housed in a compact 4-SMD, No Lead package. The unit supports an operating temperature range of -40°C to 85°C and maintains a frequency stability of ±50ppm.

Feature Summary

• Supports standby mode for power management
• Utilizes LVCMOS output logic
• Compact surface mount packaging

Applications

• General clock signal generation
• Digital circuit timing
• Embedded system synchronization

Procurement Notes

Verify the specific part number against official Mercury Electronics documentation to ensure accuracy. Confirm that the 1.8V supply requirement and LVCMOS output compatibility match your design specifications. Check the operating temperature range and frequency stability requirements against your application needs before procurement.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS interfaces. Consider the 4-SMD no-lead package for space-constrained designs. Ensure the ±50ppm stability meets system timing requirements. Verify thermal performance within the specified -40°C to 85°C range for environmental suitability.

Part Context

This model belongs to the Mercury Electronics XO series, designed for precise frequency control. The company has extensive experience in quartz crystal manufacturing. This specific variant offers a balance of performance and size, suitable for modern electronic devices requiring reliable clock sources.

Replacement Considerations

Consult official Mercury Electronics substitution guides for compatible alternatives. Ensure any replacement matches the 74.7528 MHz frequency, 1.8V voltage, and LVCMOS output type. Verify package dimensions and pinout compatibility to maintain board layout integrity.