18QHTF21-38.152945-OE

Oscillators Overview

The 18QHTF21-38.152945-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 38.152945 MHz with a frequency stability of ±50ppm. The device utilizes LVCMOS output logic and requires a 1.8V supply voltage, drawing a maximum current of 23mA. It is housed in a compact 4-SMD, No Lead package with a maximum seated height.

Oscillators Feature Summary

• Supports enable/disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed for surface-mount assembly via 4-SMD no lead package

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 38.152945 MHz
• Embedded devices utilizing 1.8V logic levels

Oscillators Procurement Notes

Verify the specific part number suffix against official Mercury Electronics documentation to confirm exact electrical characteristics and package dimensions. Ensure that the ordering information matches the required frequency tolerance and operating temperature range specified in the manufacturer's datasheet before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a precise 38.152945 MHz timing source is required within a low-voltage 1.8V system. Consider the ±50ppm stability requirement and the physical constraints of the 4-SMD no lead footprint. Confirm that the LVCMOS output swing aligns with the input requirements of the connected load circuitry.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which focuses on quartz-based frequency control products. The manufacturer has a history of producing crystals and oscillators since 1973, positioning itself as a specialist in Taiwan's frequency-control industry. This specific model represents their standard XO offerings.

Oscillators Replacement Considerations

Direct substitutes must match the 38.152945 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no lead package. Verify pinout compatibility and thermal specifications. Cross-reference with other manufacturers offering similar SMD oscillators if Mercury Electronics inventory is unavailable.