18QHTF21-3.68646-PD

Oscillators Overview

The 18QHTF21-3.68646-PD is a crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 3.68646 MHz with an LVCMOS output logic level. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. The component is designed for timing applications requiring precise clock signals within standard operating temperature ranges.

Oscillators Feature Summary

• Provides stable LVCMOS clock signal output
• Supports low voltage operation at 1.8V
• Includes standby mode for power reduction
• Utilizes small surface-mount package design

Oscillators Applications

• General purpose timing circuits
• Embedded system clock sources
• Consumer electronics timing references
• Industrial control board oscillators

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific handling instructions related to the surface-mount technology used in this component.

Oscillators Selection Notes

Select this component when a precise 3.68646 MHz clock is required for low-power applications. Consider the 1.8V supply constraint and ensure compatibility with your microcontroller or logic interface. The small 2.0x1.6mm package is suitable for space-constrained designs. Verify that the LVCMOS output levels meet the input requirements of the receiving device.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies and packaging options. The 'PD' suffix likely indicates a specific pin configuration or package variant within the manufacturer's lineup. These components are generally used as primary clock sources in digital systems requiring accurate timekeeping.

Oscillators Replacement Considerations

Direct substitutes must match the 3.68646 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify electrical parameters such as frequency stability and phase noise if available. Ensure the replacement component supports the same standby functionality. Cross-reference with other manufacturers offering similar SMD oscillators.