18QHTF21-21.620-PD

Oscillators Overview

The 18QHTF21-21.620-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 21.62 MHz and utilizes an LVCMOS output interface. The device functions with a supply voltage of 1.8V and includes a standby or power-down capability for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise clock signals.

Oscillators Feature Summary

• LVCMOS output interface for digital logic compatibility
• Integrated standby mode for power reduction
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Microcontroller timing references

Oscillators Procurement Notes

Verify the specific part number suffix against official Mercury Electronics documentation to confirm voltage and package variations. Ensure the supplier provides genuine components with traceable origin. Cross-reference the datasheet for exact electrical tolerances and operating temperature ranges before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 1.8V supply and 21.62 MHz frequency are required. Confirm that the LVCMOS output level matches the receiving circuit's input requirements. Evaluate the 4-SMD package dimensions against available PCB space constraints and thermal management needs.

Oscillators Part Context

This model belongs to the QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options within a standardized small footprint. The '18' prefix indicates the 1.8V operating voltage variant.

Oscillators Replacement Considerations

Compatible substitutes include other 21.62 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications before substitution.