18QHTF21-4.068-PD

Oscillators Overview

The 18QHTF21-4.068-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 4.068 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down function via standby mode control. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0 x 1.6 mm. This component serves as a precise timing source for digital circuits requiring low-profile surface-mount integration.

Oscillators Feature Summary

• Supports LVCMOS output logic for direct interface with digital loads
• Includes standby mode capability for power-down functionality
• Utilizes a compact 4-SMD no-lead surface-mount package

Oscillators Applications

• Portable electronic devices requiring low-power timing
• Battery-operated systems utilizing 1.8V logic levels
• Compact digital circuit boards needing small footprint oscillators

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency and voltage specifications. Confirm that the 4-SMD no-lead package matches the PCB land pattern design. Check datasheet parameters for operating temperature range and load capacitance requirements before finalizing procurement decisions.

Oscillators Selection Notes

Select this model when a 4.068 MHz reference signal is required within a 1.8V system environment. Consider the 2.0x1.6mm package size for space-constrained layouts. Ensure the application supports LVCMOS signaling standards and can utilize the standby pin for power management if needed.

Oscillators Part Context

Mercury Electronics Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products since 1973. The company produces quartz crystals, oscillators, and filters. The 18QHTF21 series represents their line of surface-mount crystal oscillators designed for modern electronic applications requiring reliable timing solutions.

Oscillators Replacement Considerations

Cross-reference other 18QHTF21 variants from Mercury Electronics for different frequencies or voltages. Verify pinout compatibility and electrical characteristics against alternative suppliers offering similar 4-SMD no-lead oscillators.