18QHTF21-28.83438-PD

Oscillators Overview

The 18QHTF21-28.83438-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 28.83438 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) control function to manage power consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component serves as a precise clock source for digital circuits requiring low-voltage operation and small form factor integration.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode for power management
• Compact surface-mount package design

Oscillators Applications

• General clock generation for embedded systems
• Timing reference for low-voltage digital circuits
• Consumer electronics requiring small footprint oscillators

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB layout supports the 4-SMD no-lead package dimensions for proper soldering and thermal performance. Cross-reference the manufacturer datasheet for detailed electrical specifications to guarantee signal integrity in the application environment.

Oscillators Selection Notes

Select this component when a 28.83438 MHz clock signal is required with LVCMOS outputs. The 1.8V operating voltage makes it suitable for modern low-power applications. Consider the 2.0x1.6mm package size for space-constrained designs. Evaluate the need for standby functionality if power efficiency is a priority. Compare against other Mercury Electronics series for alternative frequencies or package types if specifications do not fully match the design constraints.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard crystal oscillators for various timing applications. The brand specializes in frequency control products including quartz crystals and filters. The 18QHTF21 series typically offers reliable performance in consumer and industrial electronics. Mercury Electronics has established itself as a supplier of timing components since 1973, focusing on precision and miniaturization in their product lineup.

Oscillators Replacement Considerations

Direct substitutes must match the 28.83438 MHz frequency, LVCMOS output, and 1.8V supply voltage. Verify package compatibility with the 4-SMD no-lead 2.0x1.6mm form factor. Check equivalent standby functionality and operating temperature ranges. Consult manufacturer cross-reference lists for approved replacements ensuring identical electrical characteristics and pinout configuration.