18QHTF21-75.300-OE

Overview

The 18QHTF21-75.300-OE is a quartz crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 75.3 MHz and utilizes LVCMOS output logic. The device supports a supply voltage range typically including 1.8V, 2.5V, and 3.3V options, featuring an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions suitable for surface-mount applications. The component is designed for standard clock signal generation in electronic circuits.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Enable/Disable control pin for power efficiency
• Surface-mount 4-SMD no lead package design
• Quartz-based frequency stability

Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources
• Communication equipment timing modules

Procurement Notes

Verify the specific suffix OE against the manufacturer's current datasheet to confirm exact voltage and tolerance specifications. Ensure the ordering part number matches the required frequency and package type. Cross-reference with official Mercury Electronics documentation to validate availability and lead times before procurement.

Selection Notes

Select this oscillator when a standard LVCMOS clock source with enable functionality is required. Consider the 4-SMD package size for space-constrained PCB layouts. Verify that the operating temperature range meets the environmental requirements of the target application. Ensure supply voltage compatibility with the host system logic levels.

Part Context

This component belongs to the Mercury Electronic Ind. Co., Ltd. oscillator product line, which specializes in quartz frequency control solutions. The company has a history of manufacturing crystals and oscillators, positioning itself as a provider of precision timing components for various industrial and consumer electronics applications.

Replacement Considerations

Check for direct substitutes within the same series or family from Mercury Electronics. Compare pinout, voltage, and frequency specifications carefully. Other manufacturers may offer equivalent LVCMOS oscillators, but verify electrical characteristics and package dimensions for compatibility.