18QHTF21-48.000-PD

Oscillators Overview

The 18QHTF21-48.000-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 48.0 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a supply voltage of 1.8V and an integrated power-down (standby) mode to minimize energy consumption when inactive. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Integrates a power-down control function for standby mode operation
• Utilizes LVCMOS output interface for digital logic compatibility
• Designed for low-voltage 1.8V power supply systems

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the inclusion of the power-down feature as documented in official component specifications. Ensure that the 1.8V operating voltage aligns with the target system's power architecture before integration. Confirm package dimensions match the PCB footprint design requirements.

Oscillators Selection Notes

Select this component when a 48.0 MHz clock source is required with minimal power usage during idle states. The 1.8V specification restricts usage to compatible low-voltage logic families. The small 2.0x1.6mm SMD package is appropriate for high-density board layouts where space is constrained.

Oscillators Part Context

This model belongs to the Mercury Electronics XO series, which provides various frequency options in surface-mount packages. The '18' prefix typically indicates the 1.8V operating voltage range, while 'PD' denotes the power-down capability. This distinguishes it from non-power-down variants within the same frequency family.

Oscillators Replacement Considerations

Direct substitutes must match the 48.0 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify if alternative manufacturers offer equivalent power-down functionality under similar electrical constraints.