18QHTF21-11.882-PD

Overview

The 18QHTF21-11.882-PD is a standard frequency crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 11.882 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features a compact surface-mount package with dimensions of 2.0mm by 1.6mm and a height of 0.6mm. The component supports a standby mode for power management and is housed in a 4-SMD, no lead configuration suitable for automated assembly processes.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby functionality to reduce power consumption during idle states
• Utilizes a compact 4-SMD surface-mount package design

Applications

• General-purpose clock signal generation in embedded systems
• Timing reference sources for microcontroller units
• Data communication interface synchronization circuits

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure the correct package variant and tape-and-reel configuration are selected. Confirm that the required operating temperature range aligns with the system environment specifications before finalizing procurement orders.

Selection Notes

Select this component when a low-profile, 1.8V compatible oscillator is required for space-constrained designs. Ensure the load capacitance requirements of the target circuit match the oscillator specifications. Verify that the LVCMOS output swing is compatible with the receiving logic levels of the connected components.

Part Context

This part belongs to the Mercury Electronics SMD oscillator series, which focuses on miniaturized timing solutions. The 18QHTF21 prefix indicates a specific form factor within their portfolio of quartz-based frequency control products designed for modern electronic assemblies.

Replacement Considerations

Direct substitutes include other 11.882 MHz LVCMOS oscillators in 2.0x1.6mm packages from manufacturers such as Epson or NDK, provided pinout and electrical parameters match exactly.