18QHTF21-33.500-PD

Oscillators Overview

The 18QHTF21-33.500-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a standard frequency of 33.5 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power reduction
• Utilizes LVCMOS output interface

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication systems utilizing standard clock frequencies
• Embedded circuits needing compact surface-mount oscillators

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the component's specifications. Confirm that the 4-SMD no-lead package footprint aligns with your PCB layout constraints to ensure proper assembly and electrical performance.

Oscillators Selection Notes

Select this model when a precise 33.5 MHz clock signal is required in space-constrained applications. The choice is driven by the need for low voltage compatibility and integrated power-down capabilities. Consider the physical size and leadless package type for automated surface-mount assembly processes.

Oscillators Part Context

This component belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's quartz industry. This series typically offers standard frequencies with small form factors suitable for modern consumer electronics.

Oscillators Replacement Considerations

Direct substitutes must match the 33.5 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers offering similar SMD XO components if availability is an issue.