18QHTF21-21.6419-OE

Oscillators Overview

The 18QHTF21-21.6419-OE is a 21.6419 MHz standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates on a 1.8V supply voltage. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead surface-mount package. The unit supports an operating temperature range of -40°C to 85°C and maintains frequency stability within ±50ppm. Maximum supply current is rated at 22mA.

Oscillators Feature Summary

• LVCMOS output logic interface
• Enable/Disable control functionality
• Surface mount construction

Oscillators Applications

• Embedded systems requiring precise timing
• Consumer electronics with low power constraints
• Industrial control modules

Oscillators Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct voltage and control specifications. Confirm that the required frequency tolerance and temperature range align with system design requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 1.8V supply and enable/disable control are necessary. Ensure the PCB layout accommodates the 4-SMD no-lead package dimensions. Validate thermal performance within the specified -40°C to 85°C operational window.

Oscillators Part Context

This model belongs to the QHTF series of standard oscillators from Mercury Electronics. The series offers various frequencies and voltage options. This specific part provides a balance of low power consumption and reliable timing for space-constrained applications.

Oscillators Replacement Considerations

Cross-reference with other Mercury Electronics parts sharing the same package and voltage. Verify pin compatibility and electrical characteristics before substituting with alternative manufacturers' components.