18QHTF21-40.200-OE

Oscillators Overview

The 18QHTF21-40.200-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a standard frequency of 40.2 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly in space-constrained electronic designs.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable functionality for power management
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure the correct frequency and package variant. Confirm that the 1.8V supply requirement aligns with the target circuit design. Check for any recent updates to the datasheet regarding pin configuration or electrical characteristics before finalizing the procurement order.

Oscillators Selection Notes

Select this component when a precise 40.2 MHz reference is required for LVCMOS-compatible digital systems. Ensure the PCB layout supports the 4-SMD no-lead footprint dimensions. Consider the enable/disable feature if dynamic power saving is necessary for the application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various standard frequencies within a small form factor. The 'OE' suffix often denotes specific packaging or tape-and-reel configurations provided by the distributor.

Oscillators Replacement Considerations

Direct substitutes include other 40.2 MHz LVCMOS oscillators in 4-SMD packages from manufacturers such as Epson or NDK. Verify pinout compatibility and voltage levels before swapping.