18QHTF21-109.4375-OE

Overview

The 18QHTF21-109.4375-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 109.4375 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component supports an operating temperature range suitable for industrial applications.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes a compact surface-mount package design

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific ordering suffix to ensure the correct output configuration and tolerance requirements are met. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications. Check for RoHS compliance status if required by project regulations. Validate the operating temperature range against environmental conditions.

Selection Notes

Select this component when a precise 109.4375 MHz reference is required for LVCMOS interfaces. Consider the low profile and small footprint for space-constrained designs. Evaluate power consumption benefits associated with the 1.8V operation mode. Assess thermal stability needs relative to the specified operating temperature range. Compare performance metrics against alternative oscillators in the same frequency class.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has extensive experience in producing crystals and oscillators. This series typically offers standard performance levels for general-purpose timing applications. The product line emphasizes reliability and consistency in frequency generation.

Replacement Considerations

Direct substitutes may include other 109.4375 MHz LVCMOS oscillators in similar SMD packages. Verify pinout compatibility and electrical parameters before substitution. Alternative models from different manufacturers require careful evaluation of size and voltage constraints.