18QHTF21-49.3733-OE

Overview

The 18QHTF21-49.3733-OE is a quartz crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a standard frequency of 49.3733 MHz with an LVCMOS output logic type. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component is designed for high-performance timing applications requiring precise clock signals.

Feature Summary

• LVCMOS output logic compatible with standard digital interfaces
• Integrated enable and disable control functionality
• Compact surface-mount package design for space-constrained PCB layouts

Applications

• High-performance digital signal processing systems
• Communication equipment requiring precise clock synchronization
• Embedded systems utilizing LVCMOS-compatible microcontrollers

Procurement Notes

Verify the specific ordering suffix to ensure the correct package variant and electrical specifications match the design requirements. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Check for RoHS compliance status if environmental regulations apply to the final product assembly.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a small form factor. The LVCMOS output ensures compatibility with standard logic families without additional level shifting. Consider the enable/disable feature if power management during idle states is a critical design constraint.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd., which specializes in frequency-control solutions including quartz crystals and oscillators. The series offers various frequencies and packages tailored for modern electronic devices requiring reliable timing sources.

Replacement Considerations

Direct substitutes include other 49.3733 MHz LVCMOS oscillators in 2.0x1.6mm packages from manufacturers such as Epson or NDK. Ensure pinout compatibility and identical supply voltage requirements before swapping components.