18QHTF21-40.975-OE

Oscillators Overview

The 18QHTF21-40.975-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.975 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 on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Low voltage operation at 1.8V
• Surface-mount 4-SMD no lead package

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication equipment utilizing standard clock signals
• Embedded systems with limited voltage supply rails

Oscillators Procurement Notes

Verify the specific ordering suffix OE against the manufacturer's current datasheet to ensure correct pinout and electrical specifications. Confirm that the 1.8V supply requirement aligns with the target system design. Check for any recent revisions to the 18QHTF21 series documentation regarding tolerance or temperature range changes before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a precise 40.975 MHz clock source is required for LVCMOS-compatible circuits. The 1.8V operating voltage makes it suitable for modern low-power digital designs. Ensure the PCB layout accommodates the 4-SMD no lead footprint. Consider thermal management requirements if the application involves high ambient temperatures or dense board layouts.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics 18QHTF series, which focuses on low-voltage, small-form-factor clock solutions. The series typically includes various frequencies and output types. The 18QHTF21 variant specifically targets applications needing reliable timing with minimal power draw. Mercury Electronics has a long history in quartz crystal manufacturing, providing industry-standard frequency control products.

Oscillators Replacement Considerations

Direct substitutes must match the 40.975 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pin compatibility and electrical parameters such as load capacitance and drive strength. Cross-reference with other manufacturers offering similar low-voltage XO components to ensure functional equivalence in the target application.