18QHTF21-15.437823-PD

Oscillators Overview

The 18QHTF21-15.437823-PD is a 15.437823 MHz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a supply voltage of 1.8V and utilizes an LVCMOS output signal format. The device features a power-down standby function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Compact 2.0x1.6 mm surface-mount footprint
• Low voltage 1.8V operation
• LVCMOS output compatibility
• Power-down standby capability

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication modules utilizing standard clock interfaces
• Embedded systems with space-constrained PCB layouts

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your target circuit's power rails. Ensure the 4-SMD no-lead package size fits within your designated footprint constraints. Cross-reference the datasheet for operating temperature ranges to guarantee reliability under expected environmental conditions.

Oscillators Selection Notes

Select this component when a precise 15.437823 MHz reference is required in ultra-small form factors. The 1.8V specification makes it suitable for modern battery-powered applications where power efficiency is critical. The LVCMOS interface ensures broad compatibility with standard digital logic families. Consider the power-down feature if dynamic power management is necessary for extending battery life in portable designs.

Oscillators Part Context

This part 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 crystal industry. This series typically offers various frequencies within a standardized small outline package, providing consistent performance across different clocking needs for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes may include other 1.8V LVCMOS oscillators in a 2.0x1.6mm package from manufacturers like Epson or Seiko. Verify pinout compatibility and electrical specifications such as jitter and phase noise. Ensure the replacement supports the same power-down functionality if required by the design.