18QHTF21-11.228-PD

Overview

The 18QHTF21-11.228-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 11.228 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage range of 1.8V to 3.3V. It includes a standby (power-down) function to reduce current consumption when not in use. The component is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• Integrates a standby mode for power reduction
• Supports LVCMOS output interface
• Available in a small surface-mount package

Applications

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

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before ordering. Confirm that the 4-SMD no-lead package dimensions align with your PCB footprint. Ensure the operating temperature range meets your environmental specifications. Cross-reference the datasheet for any updates regarding pinout or electrical characteristics.

Selection Notes

Choose this model when a precise 11.228 MHz clock signal is required with minimal power usage. The LVCMOS output ensures compatibility with standard digital logic families. Consider the standby feature if power management is critical. Evaluate the package size constraints to ensure adequate space on the board layout.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and output types. The 'PD' suffix typically indicates the inclusion of a power-down function. These components are commonly used in timing applications where stability and low power are prioritized over ultra-high precision.

Replacement Considerations

Direct replacements must match the 11.228 MHz frequency, LVCMOS output, and 4-SMD no-lead package. Verify voltage compatibility and standby functionality. Check mechanical dimensions for board fit. Consult manufacturer cross-reference lists for verified substitutes.