18QHTF21-38.2696-PD

Oscillators Overview

The 18QHTF21-38.2696-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a fixed frequency of 38.2696 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption during idle periods. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. The component is RoHS compliant and suitable for applications requiring precise timing signals within a small form factor.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with integrated standby capability
• Delivers LVCMOS output signals for digital interface compatibility
• Utilizes a leadless surface-mount package for space-constrained designs

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication systems needing stable clock references
• Embedded controllers utilizing LVCMOS interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply rail can maintain stability under all operating conditions to prevent signal integrity issues. Confirm that the PCB layout supports the 4-SMD no-lead package footprint to ensure proper soldering and thermal performance during assembly.

Oscillators Selection Notes

Select this component when a small footprint and low voltage operation are critical constraints. The LVCMOS output is appropriate for direct connection to digital logic inputs without additional buffering. Consider the standby feature if power management is a priority. Verify that the operating temperature range meets the environmental demands of the target application.

Oscillators Part Context

This part belongs to the QHTF series from Mercury Electronic Ind. Co. Ltd, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry. This series typically offers standard oscillators with various frequencies and packages, catering to general-purpose timing needs in consumer and industrial electronics.

Oscillators Replacement Considerations

Direct replacements must match the 38.2696 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package size. Check datasheets for equivalent parts from other manufacturers ensuring identical pinout and electrical characteristics to avoid redesign.