18QHTF21-2.1888-PD

Oscillators Overview

The 18QHTF21-2.1888-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 2.1888 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications with a supply voltage of 1.8V and features a standby (power-down) function to minimize energy consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for space-constrained portable electronics.

Oscillators Feature Summary

• Integrates a standby mode for power reduction
• Utilizes LVCMOS output interface
• Operates on a 1.8V supply rail

Oscillators Applications

• Battery-powered portable devices
• Power-sensitive circuit designs
• Compact electronic systems requiring low current draw

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 2.1888 MHz specification. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint corresponds to the PCB layout requirements. Check for any specific operating temperature range constraints defined in the official datasheet before finalizing the component selection.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is mandatory. The small 2.0x1.6 mm package is ideal for high-density layouts. The standby feature makes it suitable for applications requiring extended battery life. Ensure the LVCMOS output compatibility with the receiving digital logic levels of the host microcontroller or processor.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic. The series offers various frequencies within a standardized 4-SMD no-lead form factor. These components are designed for timing applications in consumer electronics and portable devices where size and power efficiency are critical design parameters.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with identical 2.1888 MHz frequency and 1.8V LVCMOS specifications. Cross-reference pinout and electrical characteristics with alternative manufacturers offering similar SMD oscillator packages.